All airlines flying from Chicago O'Hare (ORD) to Houston George Bush (IAH).

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FLIGHT SCHEDULE
Direct Flights:
Sun 13:50 Chicago O'Hare (ORD) 3 16:50 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:00 Operates only on 2026-02-15
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 3 17:50 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:00 Effective 2026-02-12 through 2026-02-20
Mon,Thu-Sun 14:50 Chicago O'Hare (ORD) 3 17:50 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:00 Effective 2026-02-21 through 2026-03-07
Daily 15:00 Chicago O'Hare (ORD) 3 18:03 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-03-08 through 2026-04-06
Daily 13:10 Chicago O'Hare (ORD) 3 16:04 Houston George Bush (IAH) A American Airlines AA 4356 Non-stop Embraer EMB 175 (E75) 2:54 Effective from 2026-10-05
Daily 13:10 Chicago O'Hare (ORD) 3 16:00 Houston George Bush (IAH) A American Airlines AA 4426 Non-stop Embraer EMB 175 (E75) 2:50 Effective 2026-05-21 through 2026-07-01
Sat 07:15 Chicago O'Hare (ORD) 3 10:27 Houston George Bush (IAH) A American Airlines AA 4431 Non-stop Embraer EMB 175 (E75) 3:12 Operates only on 2026-01-03
Mon-Fri,Sun 09:38 Chicago O'Hare (ORD) 3 12:48 Houston George Bush (IAH) A American Airlines AA 4431 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2026-01-06 through 2026-01-16
Mon-Fri,Sun 09:38 Chicago O'Hare (ORD) 3 12:48 Houston George Bush (IAH) A American Airlines AA 4431 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2026-01-19 through 2026-02-11
Mon-Fri,Sun 09:43 Chicago O'Hare (ORD) 3 12:57 Houston George Bush (IAH) A American Airlines AA 4431 Non-stop Embraer EMB 175 (E75) 3:14 Valid until 2026-01-05
Sun 09:59 Chicago O'Hare (ORD) 3 13:09 Houston George Bush (IAH) A American Airlines AA 4431 Non-stop Embraer EMB 175 (E75) 3:10 Operates only on 2026-01-18
Daily 13:10 Chicago O'Hare (ORD) 3 15:59 Houston George Bush (IAH) A American Airlines AA 4443 Non-stop Embraer EMB 175 (E75) 2:49 Effective 2026-07-02 through 2026-08-04
Daily 13:34 Chicago O'Hare (ORD) 3 16:25 Houston George Bush (IAH) A American Airlines AA 4591 Non-stop Embraer EMB 175 (E75) 2:51 Effective 2026-08-05 through 2026-09-08
Mon,Tue,Thu,Fri,Sun 07:15 Chicago O'Hare (ORD) 3 10:27 Houston George Bush (IAH) A American Airlines AA 4609 Non-stop Embraer EMB 175 (E75) 3:12 Valid until 2026-01-05
Sun 23:55 Chicago O'Hare (ORD) 3 03:05 Houston George Bush (IAH) A American Airlines AA 4629 Non-stop Embraer EMB 175 (E75) 3:10 Operates only on 2026-01-04 The flight arrives 1 day after departure.
Daily 13:05 Chicago O'Hare (ORD) 3 16:12 Houston George Bush (IAH) A American Airlines AA 4740 Non-stop Embraer EMB 175 (E75) 3:07 Valid until 2026-01-05
Sat 00:25 Chicago O'Hare (ORD) 03:15 Houston George Bush (IAH) Qatar Airways QR 8168 Non-stop Boeing 777-200 Freighter (77X) 2:50 Effective 2026-03-14 through 2026-03-28 This is a Scheduled Cargo flight.
Fri 16:15 Chicago O'Hare (ORD) 19:05 Houston George Bush (IAH) Qatar Airways QR 8168 Non-stop Boeing 777-200 Freighter (77X) 2:50 Effective from 2026-04-03 This is a Scheduled Cargo flight.
Fri 23:25 Chicago O'Hare (ORD) 02:15 Houston George Bush (IAH) Qatar Airways QR 8168 Non-stop Boeing 777-200 Freighter (77X) 2:50 Effective 2026-01-02 through 2026-03-06 The flight arrives 1 day after departure. This is a Scheduled Cargo flight.
Non-Direct Flights:
Mon-Fri,Sun 08:45 Chicago O'Hare (ORD) 1 20:24 Houston George Bush (IAH) C United Airlines UA 202 1-stop Airbus A321neo (32Q) 11:39 Effective 2026-05-21 through 2026-10-23
Mon-Fri,Sun 09:15 Chicago O'Hare (ORD) 1 20:24 Houston George Bush (IAH) C United Airlines UA 202 1-stop Boeing 757-300 (753) 11:09 Effective from 2026-10-25
Mon,Wed-Sun 07:15 Chicago O'Hare (ORD) 1 15:08 Houston George Bush (IAH) C United Airlines UA 378 1-stop Boeing 737-900 (739) 7:53 Effective 2026-02-12 through 2026-03-04
Tue,Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:42 Effective 2026-01-06 through 2026-01-07
Mon,Tue,Thu-Sat 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-800 (738) 6:42 Effective 2026-01-08 through 2026-02-09
Sun 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-700 (73G) 6:42 Effective 2026-01-11 through 2026-02-08
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A320 (320) 6:42 Operates only on 2026-01-14
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:42 Effective 2026-01-21 through 2026-01-28
Wed 10:43 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Boeing 737-800 (738) 6:42 Operates only on 2026-02-11
Wed 10:48 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:37 Operates only on 2026-02-04
Tue 10:52 Chicago O'Hare (ORD) 1 17:25 Houston George Bush (IAH) C United Airlines UA 441 1-stop Airbus A319 (319) 6:33 Operates only on 2026-02-10
Sat 08:50 Chicago O'Hare (ORD) 1 18:52 Houston George Bush (IAH) C United Airlines UA 448 1-stop Boeing 737 MAX 9 (7M9) 10:02 Effective 2026-06-13 through 2026-08-15
Daily 19:45 Chicago O'Hare (ORD) 1 05:45 Houston George Bush (IAH) C United Airlines UA 505 1-stop Boeing 737 MAX 9 (7M9) 10:00 Valid until 2026-01-05 The flight arrives 1 day after departure.
Daily 08:40 Chicago O'Hare (ORD) 1 15:37 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:57 Effective 2026-03-29 through 2026-04-29
Sat 08:46 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-700 (73G) 6:54 Effective 2026-03-07 through 2026-03-28
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective 2026-04-30 through 2026-05-20
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective 2026-05-21 through 2026-08-17
Daily 09:03 Chicago O'Hare (ORD) 1 15:32 Houston George Bush (IAH) C United Airlines UA 528 1-stop Airbus A320 (320) 6:29 Effective from 2026-08-18
Mon-Fri,Sun 09:09 Chicago O'Hare (ORD) 1 15:40 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-800 (738) 6:31 Effective 2026-03-05 through 2026-03-27
Thu,Fri 09:12 Chicago O'Hare (ORD) 1 15:33 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737-900 (739) 6:21 Effective 2026-02-12 through 2026-02-27
Tue,Wed 09:12 Chicago O'Hare (ORD) 1 15:33 Houston George Bush (IAH) C United Airlines UA 528 1-stop Boeing 737 MAX 8 (7M8) 6:21 Effective 2026-02-17 through 2026-03-04
Mon-Thu 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:17 Effective 2026-02-12 through 2026-02-19
Fri 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:17 Operates only on 2026-02-13
Sun 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A320 (320) 6:17 Effective 2026-02-15 through 2026-03-01
Mon-Fri 07:05 Chicago O'Hare (ORD) 1 13:22 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:17 Effective 2026-02-20 through 2026-03-04
Mon-Fri 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Boeing 737-700 (73G) 6:11 Effective 2026-03-05 through 2026-03-17
Wed 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:11 Operates only on 2026-03-18
Mon-Fri 07:10 Chicago O'Hare (ORD) 1 13:21 Houston George Bush (IAH) C United Airlines UA 539 1-stop Boeing 737-700 (73G) 6:11 Effective 2026-03-19 through 2026-03-27
Daily 07:10 Chicago O'Hare (ORD) 1 13:17 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:07 Effective 2026-03-29 through 2026-04-29
Daily 07:25 Chicago O'Hare (ORD) 1 13:30 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:05 Effective 2026-04-30 through 2026-05-20
Daily 07:25 Chicago O'Hare (ORD) 1 13:30 Houston George Bush (IAH) C United Airlines UA 539 1-stop Airbus A319 (319) 6:05 Effective 2026-05-21 through 2026-08-17

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1 2 3 4 5 6 7 8 ... 20 21 22

A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Houston George Bush airport (IAH).
The flight distance is 925 miles, or 1489 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:35 and 3:24.

Return (IAH-ORD) flights

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All airlines flying from Chicago O'Hare (ORD) to Houston George Bush (IAH).

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FLIGHT SCHEDULE

Direct Flights:

American Airlines AA4098

13:50

Chicago O'Hare (ORD) 3

16:50

Houston George Bush (IAH) A

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4098

14:50

Chicago O'Hare (ORD) 3

17:50

Houston George Bush (IAH) A

Effective 2026-02-12 through 2026-02-20

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4098

14:50

Chicago O'Hare (ORD) 3

17:50

Houston George Bush (IAH) A

Effective 2026-02-21 through 2026-03-07

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4098

15:00

Chicago O'Hare (ORD) 3

18:03

Houston George Bush (IAH) A

Effective 2026-03-08 through 2026-04-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:03, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4356

13:10

Chicago O'Hare (ORD) 3

16:04

Houston George Bush (IAH) A

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4426

13:10

Chicago O'Hare (ORD) 3

16:00

Houston George Bush (IAH) A

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:50, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4431

07:15

Chicago O'Hare (ORD) 3

10:27

Houston George Bush (IAH) A

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:12, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4431

09:38

Chicago O'Hare (ORD) 3

12:48

Houston George Bush (IAH) A

Effective 2026-01-06 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:10, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4431

09:38

Chicago O'Hare (ORD) 3

12:48

Houston George Bush (IAH) A

Effective 2026-01-19 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:10, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4431

09:43

Chicago O'Hare (ORD) 3

12:57

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:14, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4431

09:59

Chicago O'Hare (ORD) 3

13:09

Houston George Bush (IAH) A

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4443

13:10

Chicago O'Hare (ORD) 3

15:59

Houston George Bush (IAH) A

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:49, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4591

13:34

Chicago O'Hare (ORD) 3

16:25

Houston George Bush (IAH) A

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:51, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4609

07:15

Chicago O'Hare (ORD) 3

10:27

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:12, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4629

23:55

Chicago O'Hare (ORD) 3

03:05(+1)

Houston George Bush (IAH) A

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA4740

13:05

Chicago O'Hare (ORD) 3

16:12

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Qatar Airways QR8168

00:25

Chicago O'Hare (ORD)

03:15

Houston George Bush (IAH)

Effective 2026-03-14 through 2026-03-28
This is a Scheduled Cargo flight.

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:50, non-stop
Boeing 777-200 Freighter (77X)

Direct Flights:

Qatar Airways QR8168

16:15

Chicago O'Hare (ORD)

19:05

Houston George Bush (IAH)

Effective from 2026-04-03
This is a Scheduled Cargo flight.

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 777-200 Freighter (77X)

Direct Flights:

Qatar Airways QR8168

23:25

Chicago O'Hare (ORD)

02:15(+1)

Houston George Bush (IAH)

Effective 2026-01-02 through 2026-03-06
This is a Scheduled Cargo flight.

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 777-200 Freighter (77X)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA202

08:45

Chicago O'Hare (ORD) 1

20:24

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 11:39, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA202

09:15

Chicago O'Hare (ORD) 1

20:24

Houston George Bush (IAH) C

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 11:09, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA378

07:15

Chicago O'Hare (ORD) 1

15:08

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 7:53, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-06 through 2026-01-07

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-08 through 2026-02-09

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 6:42, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:42, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-01-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Effective 2026-01-21 through 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:43

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:42, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA441

10:48

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:37, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA441

10:52

Chicago O'Hare (ORD) 1

17:25

Houston George Bush (IAH) C

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:33, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA448

08:50

Chicago O'Hare (ORD) 1

18:52

Houston George Bush (IAH) C

Effective 2026-06-13 through 2026-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 10:02, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA505

19:45

Chicago O'Hare (ORD) 1

05:45(+1)

Houston George Bush (IAH) C

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 10:00, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA528

08:40

Chicago O'Hare (ORD) 1

15:37

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:57, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

08:46

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:54, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:03

Chicago O'Hare (ORD) 1

15:32

Houston George Bush (IAH) C

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:29, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA528

09:09

Chicago O'Hare (ORD) 1

15:40

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:31, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA528

09:12

Chicago O'Hare (ORD) 1

15:33

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 6:21, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA528

09:12

Chicago O'Hare (ORD) 1

15:33

Houston George Bush (IAH) C

Effective 2026-02-17 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:21, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-02-19

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 6:17, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Operates only on 2026-02-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 6:17, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:17, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA539

07:05

Chicago O'Hare (ORD) 1

13:22

Houston George Bush (IAH) C

Effective 2026-02-20 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:17, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Effective 2026-03-05 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:11, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:11, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:21

Houston George Bush (IAH) C

Effective 2026-03-19 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:11, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA539

07:10

Chicago O'Hare (ORD) 1

13:17

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:07, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:25

Chicago O'Hare (ORD) 1

13:30

Houston George Bush (IAH) C

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:05, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA539

07:25

Chicago O'Hare (ORD) 1

13:30

Houston George Bush (IAH) C

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:05, 1-stop
Airbus A319 (319)

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A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Houston George Bush airport (IAH).
The flight distance is 925 miles, or 1489 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:35 and 3:24.

Return (IAH-ORD) flights

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