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

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:20 Chicago O'Hare (ORD) 5 08:36 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:16 Effective 2026-03-07 through 2026-03-28
Mon,Thu,Fri,Sun 05:25 Chicago O'Hare (ORD) 5 08:41 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:16 Effective 2026-03-06 through 2026-03-30
Mon 05:40 Chicago O'Hare (ORD) 5 08:56 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:16 Operates only on 2026-02-16
Fri,Sun 06:30 Chicago O'Hare (ORD) 5 09:31 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:01 Effective 2026-01-16 through 2026-01-18
Fri 06:30 Chicago O'Hare (ORD) 5 09:31 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:01 Effective 2026-02-13 through 2026-02-20
Thu 07:00 Chicago O'Hare (ORD) 5 10:22 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:22 Effective 2026-02-12 through 2026-02-26
Thu,Fri 07:00 Chicago O'Hare (ORD) 5 10:22 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:22 Effective 2026-02-27 through 2026-03-05
Sun 07:00 Chicago O'Hare (ORD) 5 10:22 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:22 Operates only on 2026-03-01
Sun 07:30 Chicago O'Hare (ORD) 5 10:52 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:22 Effective 2026-02-15 through 2026-02-22
Mon 07:35 Chicago O'Hare (ORD) 5 10:57 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:22 Effective 2026-02-23 through 2026-03-02
Sat 08:05 Chicago O'Hare (ORD) 5 11:29 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:24 Effective 2026-02-14 through 2026-02-28
Fri 08:15 Chicago O'Hare (ORD) 5 11:36 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-01-23 through 2026-02-06
Thu 08:35 Chicago O'Hare (ORD) 5 11:41 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:06 Operates only on 2026-01-08
Sun 09:51 Chicago O'Hare (ORD) 5 12:58 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:07 Valid until 2026-01-04
Tue 11:59 Chicago O'Hare (ORD) 5 15:02 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:03 Operates only on 2026-01-06
Sun 12:40 Chicago O'Hare (ORD) 5 15:45 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:05 Operates only on 2026-01-11
Mon,Thu-Sun 15:40 Chicago O'Hare (ORD) 5 18:40 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:00 Effective 2026-04-02 through 2026-04-13
Sat 15:51 Chicago O'Hare (ORD) 5 19:00 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:09 Valid until 2026-01-03
Sun 16:19 Chicago O'Hare (ORD) 5 19:41 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A321 (321) 3:22 Effective 2026-01-25 through 2026-02-08
Thu 20:21 Chicago O'Hare (ORD) 5 23:27 Houston George Bush (IAH) A Frontier Airlines F9 3135 Non-stop Airbus A320neo (32N) 3:06 Valid until 2026-01-01
Tue,Wed,Sat 19:25 Chicago O'Hare (ORD) 3 22:13 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:48 Effective 2026-02-14 through 2026-02-18
Tue,Wed 19:25 Chicago O'Hare (ORD) 3 22:13 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:48 Effective 2026-02-24 through 2026-03-04
Sun 19:30 Chicago O'Hare (ORD) 3 22:26 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:56 Operates only on 2026-02-15
Daily 20:25 Chicago O'Hare (ORD) 3 23:21 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:56 Effective 2026-05-21 through 2026-07-01
Daily 20:25 Chicago O'Hare (ORD) 3 23:26 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 3:01 Effective 2026-07-02 through 2026-08-04
Daily 20:25 Chicago O'Hare (ORD) 3 23:17 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:52 Effective 2026-09-09 through 2026-10-04
Daily 20:25 Chicago O'Hare (ORD) 3 23:18 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Boeing 737-800 (738) 2:53 Effective from 2026-10-05
Daily 20:33 Chicago O'Hare (ORD) 3 23:31 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:58 Effective 2026-08-05 through 2026-09-08
Daily 20:35 Chicago O'Hare (ORD) 3 23:35 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 3:00 Valid until 2026-01-05
Mon,Thu,Fri 20:54 Chicago O'Hare (ORD) 3 23:41 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:47 Effective 2026-02-12 through 2026-02-20
Mon,Thu,Fri,Sun 20:54 Chicago O'Hare (ORD) 3 23:41 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:47 Effective 2026-02-22 through 2026-03-06
Sat 20:55 Chicago O'Hare (ORD) 3 23:42 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:47 Effective 2026-02-21 through 2026-03-07
Daily 20:59 Chicago O'Hare (ORD) 3 23:53 Houston George Bush (IAH) A American Airlines AA 3144 Non-stop Airbus A319 (319) 2:54 Effective 2026-03-08 through 2026-04-06
Daily 09:45 Chicago O'Hare (ORD) 3 12:31 Houston George Bush (IAH) A American Airlines AA 3322 Non-stop Airbus A319 (319) 2:46 Effective 2026-09-09 through 2026-10-04
Sun 08:47 Chicago O'Hare (ORD) 3 11:47 Houston George Bush (IAH) A American Airlines AA 3517 Non-stop Embraer EMB 175 (E75) 3:00 Operates only on 2026-02-15
Mon-Fri 09:05 Chicago O'Hare (ORD) 3 12:11 Houston George Bush (IAH) A American Airlines AA 3517 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-02-12 through 2026-02-20
Mon-Fri,Sun 09:05 Chicago O'Hare (ORD) 3 12:11 Houston George Bush (IAH) A American Airlines AA 3517 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-02-22 through 2026-03-06
Mon-Fri,Sun 09:12 Chicago O'Hare (ORD) 3 12:19 Houston George Bush (IAH) A American Airlines AA 3517 Non-stop Embraer EMB 175 (E75) 3:07 Effective 2026-03-08 through 2026-04-06
Sat 16:00 Chicago O'Hare (ORD) 3 19:02 Houston George Bush (IAH) A American Airlines AA 3579 Non-stop Embraer EMB 175 (E75) 3:02 Operates only on 2026-01-17
Daily 19:40 Chicago O'Hare (ORD) 3 22:42 Houston George Bush (IAH) A American Airlines AA 3579 Non-stop Embraer EMB 175 (E75) 3:02 Effective 2026-01-06 through 2026-01-16
Daily 19:40 Chicago O'Hare (ORD) 3 22:42 Houston George Bush (IAH) A American Airlines AA 3579 Non-stop Embraer EMB 175 (E75) 3:02 Effective 2026-01-18 through 2026-02-11
Sat 08:56 Chicago O'Hare (ORD) 3 11:59 Houston George Bush (IAH) A American Airlines AA 3672 Non-stop Embraer EMB 175 (E75) 3:03 Operates only on 2026-01-17
Sat 09:38 Chicago O'Hare (ORD) 3 12:41 Houston George Bush (IAH) A American Airlines AA 3672 Non-stop Embraer EMB 175 (E75) 3:03 Operates only on 2026-01-10
Sat 09:38 Chicago O'Hare (ORD) 3 12:41 Houston George Bush (IAH) A American Airlines AA 3672 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-01-24 through 2026-02-07
Mon-Fri,Sun 13:44 Chicago O'Hare (ORD) 3 16:46 Houston George Bush (IAH) A American Airlines AA 3672 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:02 Effective 2026-01-06 through 2026-02-11
Daily 07:10 Chicago O'Hare (ORD) 3 10:13 Houston George Bush (IAH) A American Airlines AA 3948 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-04-07 through 2026-05-20
Daily 14:50 Chicago O'Hare (ORD) 3 17:28 Houston George Bush (IAH) A American Airlines AA 3953 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2026-09-09 through 2026-10-04
Daily 13:10 Chicago O'Hare (ORD) 3 15:50 Houston George Bush (IAH) A American Airlines AA 3961 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-09-09 through 2026-10-04
Sat 10:00 Chicago O'Hare (ORD) 3 13:06 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:06 Operates only on 2026-02-14
Tue,Wed 13:26 Chicago O'Hare (ORD) 3 16:26 Houston George Bush (IAH) A American Airlines AA 4098 Non-stop Embraer EMB 175 (E75) 3:00 Effective 2026-02-17 through 2026-03-04

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Parallax here ORD-IAH

1 2 3 4 5 6 7 ... 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:

Frontier Airlines F93135

05:20

Chicago O'Hare (ORD) 5

08:36

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:16, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

05:25

Chicago O'Hare (ORD) 5

08:41

Houston George Bush (IAH) A

Effective 2026-03-06 through 2026-03-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:16, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

05:40

Chicago O'Hare (ORD) 5

08:56

Houston George Bush (IAH) A

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:16, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

06:30

Chicago O'Hare (ORD) 5

09:31

Houston George Bush (IAH) A

Effective 2026-01-16 through 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:01, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

06:30

Chicago O'Hare (ORD) 5

09:31

Houston George Bush (IAH) A

Effective 2026-02-13 through 2026-02-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:01, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

07:00

Chicago O'Hare (ORD) 5

10:22

Houston George Bush (IAH) A

Effective 2026-02-12 through 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:22, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

07:00

Chicago O'Hare (ORD) 5

10:22

Houston George Bush (IAH) A

Effective 2026-02-27 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:22, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

07:00

Chicago O'Hare (ORD) 5

10:22

Houston George Bush (IAH) A

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:22, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

07:30

Chicago O'Hare (ORD) 5

10:52

Houston George Bush (IAH) A

Effective 2026-02-15 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:22, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

07:35

Chicago O'Hare (ORD) 5

10:57

Houston George Bush (IAH) A

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:22, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

08:05

Chicago O'Hare (ORD) 5

11:29

Houston George Bush (IAH) A

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

08:15

Chicago O'Hare (ORD) 5

11:36

Houston George Bush (IAH) A

Effective 2026-01-23 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:21, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93135

08:35

Chicago O'Hare (ORD) 5

11:41

Houston George Bush (IAH) A

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:06, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

09:51

Chicago O'Hare (ORD) 5

12:58

Houston George Bush (IAH) A

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:07, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

11:59

Chicago O'Hare (ORD) 5

15:02

Houston George Bush (IAH) A

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:03, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

12:40

Chicago O'Hare (ORD) 5

15:45

Houston George Bush (IAH) A

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:05, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

15:40

Chicago O'Hare (ORD) 5

18:40

Houston George Bush (IAH) A

Effective 2026-04-02 through 2026-04-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

15:51

Chicago O'Hare (ORD) 5

19:00

Houston George Bush (IAH) A

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:09, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93135

16:19

Chicago O'Hare (ORD) 5

19:41

Houston George Bush (IAH) A

Effective 2026-01-25 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:22, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93135

20:21

Chicago O'Hare (ORD) 5

23:27

Houston George Bush (IAH) A

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:06, non-stop
Airbus A320neo (32N)

Direct Flights:

American Airlines AA3144

19:25

Chicago O'Hare (ORD) 3

22:13

Houston George Bush (IAH) A

Effective 2026-02-14 through 2026-02-18

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:48, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

19:25

Chicago O'Hare (ORD) 3

22:13

Houston George Bush (IAH) A

Effective 2026-02-24 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:48, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

19:30

Chicago O'Hare (ORD) 3

22:26

Houston George Bush (IAH) A

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:56, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:25

Chicago O'Hare (ORD) 3

23:21

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:56, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:25

Chicago O'Hare (ORD) 3

23:26

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:01, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:25

Chicago O'Hare (ORD) 3

23:17

Houston George Bush (IAH) A

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:52, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:25

Chicago O'Hare (ORD) 3

23:18

Houston George Bush (IAH) A

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:53, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA3144

20:33

Chicago O'Hare (ORD) 3

23:31

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:58, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:35

Chicago O'Hare (ORD) 3

23:35

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:54

Chicago O'Hare (ORD) 3

23:41

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:47, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:54

Chicago O'Hare (ORD) 3

23:41

Houston George Bush (IAH) A

Effective 2026-02-22 through 2026-03-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:47, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:55

Chicago O'Hare (ORD) 3

23:42

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:47, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3144

20:59

Chicago O'Hare (ORD) 3

23:53

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3322

09:45

Chicago O'Hare (ORD) 3

12:31

Houston George Bush (IAH) A

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:46, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3517

08:47

Chicago O'Hare (ORD) 3

11:47

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 AA3517

09:05

Chicago O'Hare (ORD) 3

12:11

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:06, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3517

09:05

Chicago O'Hare (ORD) 3

12:11

Houston George Bush (IAH) A

Effective 2026-02-22 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:06, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3517

09:12

Chicago O'Hare (ORD) 3

12:19

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

American Airlines AA3579

16:00

Chicago O'Hare (ORD) 3

19:02

Houston George Bush (IAH) A

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:02, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3579

19:40

Chicago O'Hare (ORD) 3

22:42

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:02, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3579

19:40

Chicago O'Hare (ORD) 3

22:42

Houston George Bush (IAH) A

Effective 2026-01-18 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:02, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3672

08:56

Chicago O'Hare (ORD) 3

11:59

Houston George Bush (IAH) A

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

American Airlines AA3672

09:38

Chicago O'Hare (ORD) 3

12:41

Houston George Bush (IAH) A

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

American Airlines AA3672

09:38

Chicago O'Hare (ORD) 3

12:41

Houston George Bush (IAH) A

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

American Airlines AA3672

13:44

Chicago O'Hare (ORD) 3

16:46

Houston George Bush (IAH) A

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:02, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3948

07:10

Chicago O'Hare (ORD) 3

10:13

Houston George Bush (IAH) A

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3953

14:50

Chicago O'Hare (ORD) 3

17:28

Houston George Bush (IAH) A

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:38, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3961

13:10

Chicago O'Hare (ORD) 3

15:50

Houston George Bush (IAH) A

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:40, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4098

10:00

Chicago O'Hare (ORD) 3

13:06

Houston George Bush (IAH) A

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:06, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4098

13:26

Chicago O'Hare (ORD) 3

16:26

Houston George Bush (IAH) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

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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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