United Airlines flight UA 2851: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 06:00 Chicago O'Hare (ORD) 1 08:37 Los Angeles (LAX) 7
UA 2851 Non-stop Boeing 737-900 (739) 4:37 Effective 2025-05-03 through 2025-05-17
Mon-Fri,Sun 06:05 Chicago O'Hare (ORD) 1 08:42 Los Angeles (LAX) 7
UA 2851 Non-stop Boeing 737-900 (739) 4:37 Valid until 2025-05-21
Daily 09:00 Chicago O'Hare (ORD) 1 11:36 San Jose (SJC) A
UA 2851 Non-stop Airbus A320 (320) 4:36 Effective 2025-10-26 through 2025-12-17
Daily 09:00 Chicago O'Hare (ORD) 1 11:36 San Jose (SJC) A
UA 2851 Non-stop Airbus A320 (320) 4:36 Effective from 2026-01-06
Mon,Wed-Sun 12:55 Montrose (MTJ) 16:50 Chicago O'Hare (ORD) 1
UA 2851 Non-stop Airbus A319 (319) 2:55 Effective 2025-12-18 through 2025-12-29
Daily 12:55 Montrose (MTJ) 16:50 Chicago O'Hare (ORD) 1
UA 2851 Non-stop Airbus A319 (319) 2:55 Effective 2025-12-30 through 2026-01-05
Daily 16:46 Denver (DEN) 20:13 George Bush, Houston (IAH) C
UA 2851 Non-stop Boeing 737-900 (739) 2:27 Effective 2025-09-25 through 2025-10-25
Fri 23:55 San Francisco (SFO) 06:28 Belize City Philip SW Goldson Intl (BZE)
UA 2851 Non-stop Boeing 737 MAX 8 (7M8) 5:33 Effective 2025-05-23 through 2025-08-15
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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United Airlines flight UA 2851: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2851
06:00
Chicago O'Hare (ORD) 1

08:37
Los Angeles (LAX) 7
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:37, non-stop
Boeing 737-900 (739)
United Airlines UA2851
06:05
Chicago O'Hare (ORD) 1

08:42
Los Angeles (LAX) 7
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:37, non-stop
Boeing 737-900 (739)
United Airlines UA2851
09:00
Chicago O'Hare (ORD) 1

11:36
San Jose (SJC) A
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:36, non-stop
Airbus A320 (320)
United Airlines UA2851
09:00
Chicago O'Hare (ORD) 1

11:36
San Jose (SJC) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:36, non-stop
Airbus A320 (320)
United Airlines UA2851
12:55
Montrose (MTJ)

16:50
Chicago O'Hare (ORD) 1
Effective 2025-12-18 through 2025-12-29
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Airbus A319 (319)
United Airlines UA2851
12:55
Montrose (MTJ)

16:50
Chicago O'Hare (ORD) 1
Effective 2025-12-30 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Airbus A319 (319)
United Airlines UA2851
16:46
Denver (DEN)

20:13
George Bush, Houston (IAH) C
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:27, non-stop
Boeing 737-900 (739)
United Airlines UA2851
23:55
San Francisco (SFO)

06:28(+1)
Belize City Philip SW Goldson Intl (BZE)
Effective 2025-05-23 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Los Angeles (LAX)
  • Chicago O'Hare (ORD) - San Jose (SJC)
  • Denver (DEN) - George Bush, Houston (IAH)
  • Montrose (MTJ) - Chicago O'Hare (ORD)
  • San Francisco (SFO) - Belize City Philip SW Goldson Intl (BZE)
All United Airlines flights
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