United Airlines flight UA 251: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu-Sat 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737 MAX 9 (7M9) 2:15 Effective 2024-09-26 through 2024-10-01
Sun 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2024-09-29 through 2024-10-06
Tue-Thu 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737-800 (738) 2:15 Effective 2024-10-02 through 2024-10-10
Mon,Fri,Sat 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737 MAX 9 (7M9) 2:15 Effective 2024-10-04 through 2024-10-26
Tue,Sun 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737-900 (739) 2:15 Effective 2024-10-13 through 2024-10-15
Wed,Thu 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737-800 (738) 2:15 Effective 2024-10-16 through 2024-10-24
Sun 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2024-10-20
Tue 07:10 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Boeing 737-900 (739) 2:15 Operates only on 2024-10-22
Sun 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Boeing 737-700 (73G) 1:05 Valid until 2024-09-01
Mon,Wed 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Airbus A319 (319) 1:05 Valid until 2024-09-04
Mon,Tue,Fri,Sat 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Boeing 737-900 (739) 1:05 Effective 2024-09-03 through 2024-09-10
Thu 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Boeing 737-800 (738) 1:05 Operates only on 2024-09-05
Wed,Sun 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Airbus A319 (319) 1:05 Effective 2024-09-08 through 2024-09-18
Mon,Tue,Thu-Sat 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Boeing 737-900 (739) 1:05 Effective 2024-09-12 through 2024-09-24
Sun 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Airbus A320 (320) 1:05 Operates only on 2024-09-22
Wed 07:15 Austin (AUS) 08:20 George Bush, Houston (IAH) C
UA 251 Non-stop Airbus A319 (319) 1:05 Operates only on 2024-09-25
Daily 07:15 Chicago O'Hare (ORD) 1 10:25 Hartford (BDL)
UA 251 Non-stop Airbus A320 (320) 2:10 Effective from 2025-02-13
Thu 10:10 Denver (DEN) 13:01 Des Moines (DSM)
UA 251 Non-stop Boeing 737-900 (739) 1:51 Operates only on 2024-11-28
Mon,Wed-Sun 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Boeing 737-900 (739) 0:54 Effective 2024-10-27 through 2024-11-03
Tue 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Boeing 737 MAX 9 (7M9) 0:54 Effective 2024-10-29 through 2024-11-19
Mon 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Boeing 737-800 (738) 0:54 Operates only on 2024-11-04
Mon,Wed-Sun 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Boeing 737-900 (739) 0:54 Effective 2024-11-06 through 2024-11-25
Mon-Wed,Fri-Sun 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Boeing 737-900 (739) 0:54 Effective 2024-11-26 through 2024-12-02
Mon-Sat 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Airbus A319 (319) 0:54 Effective 2024-12-03 through 2024-12-18
Sun 13:22 Colorado Springs (COS) 14:16 Denver (DEN)
UA 251 Non-stop Airbus A320 (320) 0:54 Effective 2024-12-08 through 2024-12-15
Mon-Fri,Sun 21:30 Los Angeles (LAX) 7 05:27 Dulles, Washington (IAD)
UA 251 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2024-12-19 through 2025-01-06
The flight arrives 1 day after departure.
Sat 21:30 Los Angeles (LAX) 7 05:27 Dulles, Washington (IAD)
UA 251 Non-stop Boeing 737-900 (739) 4:57 Effective 2024-12-21 through 2025-01-04
The flight arrives 1 day after departure.
Daily 21:30 Los Angeles (LAX) 7 05:27 Dulles, Washington (IAD)
UA 251 Non-stop Boeing 737-900 (739) 4:57 Effective 2025-01-07 through 2025-02-12
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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United Airlines flight UA 251: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-09-26 through 2024-10-01
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-09-29 through 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-10-02 through 2024-10-10
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (738)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-10-04 through 2024-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-10-13 through 2024-10-15
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-900 (739)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective 2024-10-16 through 2024-10-24
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (738)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Operates only on 2024-10-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA251
07:10
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Operates only on 2024-10-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-900 (739)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Valid until 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (73G)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Valid until 2024-09-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Airbus A319 (319)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Effective 2024-09-03 through 2024-09-10
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-900 (739)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Operates only on 2024-09-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-800 (738)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Effective 2024-09-08 through 2024-09-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Airbus A319 (319)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Effective 2024-09-12 through 2024-09-24
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-900 (739)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Operates only on 2024-09-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Airbus A320 (320)
United Airlines UA251
07:15
Austin (AUS)

08:20
George Bush, Houston (IAH) C
Operates only on 2024-09-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Airbus A319 (319)
United Airlines UA251
07:15
Chicago O'Hare (ORD) 1

10:25
Hartford (BDL)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:10, non-stop
Airbus A320 (320)
United Airlines UA251
10:10
Denver (DEN)

13:01
Des Moines (DSM)
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:51, non-stop
Boeing 737-900 (739)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-10-27 through 2024-11-03
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Boeing 737-900 (739)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-10-29 through 2024-11-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:54, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Operates only on 2024-11-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:54, non-stop
Boeing 737-800 (738)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-11-06 through 2024-11-25
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Boeing 737-900 (739)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-11-26 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 0:54, non-stop
Boeing 737-900 (739)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 0:54, non-stop
Airbus A319 (319)
United Airlines UA251
13:22
Colorado Springs (COS)

14:16
Denver (DEN)
Effective 2024-12-08 through 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:54, non-stop
Airbus A320 (320)
United Airlines UA251
21:30
Los Angeles (LAX) 7

05:27(+1)
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA251
21:30
Los Angeles (LAX) 7

05:27(+1)
Dulles, Washington (IAD)
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:57, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
United Airlines UA251
21:30
Los Angeles (LAX) 7

05:27(+1)
Dulles, Washington (IAD)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:57, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Austin (AUS) - George Bush, Houston (IAH)
  • Chicago O'Hare (ORD) - Hartford (BDL)
  • Colorado Springs (COS) - Denver (DEN)
  • Denver (DEN) - Des Moines (DSM)
  • Los Angeles (LAX) - Dulles, Washington (IAD)
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