United Airlines flight UA 451: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 07:10 Chicago O'Hare (ORD) 1 09:37 John Glenn Columbus (CMH) UA 451 Non-stop Boeing 737-700 (73G) 1:27 Effective 2025-06-26 through 2025-08-18
Daily 07:10 Chicago O'Hare (ORD) 1 09:38 John Glenn Columbus (CMH) UA 451 Non-stop Airbus A319 (319) 1:28 Effective 2025-09-25 through 2025-10-25
Daily 07:30 Chicago O'Hare (ORD) 1 09:55 John Glenn Columbus (CMH) UA 451 Non-stop Boeing 737-700 (73G) 1:25 Effective 2025-08-19 through 2025-09-24
Daily 07:30 Chicago O'Hare (ORD) 1 09:55 John Glenn Columbus (CMH) UA 451 Non-stop Boeing 737-700 (73G) 1:25 Effective from 2025-10-26
Sat,Sun 10:31 Bozeman (BZN) 16:30 Dulles, Washington (IAD) UA 451 Non-stop Airbus A319 (319) 3:59 Effective 2025-06-28 through 2025-07-27
Sun 11:47 Bozeman (BZN) 16:07 George Bush, Houston (IAH) C UA 451 Non-stop Airbus A319 (319) 3:20 Effective 2025-08-03 through 2025-08-17
Sat 11:50 Bozeman (BZN) 16:10 George Bush, Houston (IAH) C UA 451 Non-stop Airbus A319 (319) 3:20 Effective 2025-08-02 through 2025-08-16
Daily 15:20 Austin (AUS) 17:05 San Francisco (SFO) 3 UA 451 Non-stop Airbus A319 (319) 3:45 Effective 2025-05-22 through 2025-06-25
Thu 16:25 Phoenix Sky Harbor (PHX) 3 21:56 Chicago O'Hare (ORD) 1 UA 451 Non-stop Boeing 737 MAX 9 (7M9) 3:31 Valid until 2025-05-08
Mon,Fri,Sun 16:25 Phoenix Sky Harbor (PHX) 3 21:56 Chicago O'Hare (ORD) 1 UA 451 Non-stop Boeing 737-900 (739) 3:31 Effective 2025-05-02 through 2025-05-12
Mon,Thu,Fri,Sun 16:25 Phoenix Sky Harbor (PHX) 3 21:56 Chicago O'Hare (ORD) 1 UA 451 Non-stop Boeing 737-900 (739) 3:31 Effective 2025-05-15 through 2025-05-19
Sun 18:35 George Bush, Houston (IAH) C 22:45 Baltimore (BWI) UA 451 Non-stop Boeing 737-900 (739) 3:10 Effective 2025-08-03 through 2025-08-17
Mon-Thu,Sun 21:00 San Francisco (SFO) 3 05:36 Fort Lauderdale (FLL) 1 UA 451 Non-stop Boeing 737 MAX 8 (7M8) 5:36 Effective 2025-06-01 through 2025-06-25 The flight arrives 1 day after departure.
Fri,Sat 21:00 San Francisco (SFO) 3 05:31 Fort Lauderdale (FLL) 1 UA 451 Non-stop Boeing 757-300 (753) 5:31 Effective 2025-06-06 through 2025-06-21 The flight arrives 1 day after departure.
Thu 21:03 San Francisco (SFO) 3 05:37 Fort Lauderdale (FLL) 1 UA 451 Non-stop Boeing 737 MAX 9 (7M9) 5:34 Operates only on 2025-05-22 The flight arrives 1 day after departure.
Fri,Sat 21:03 San Francisco (SFO) 3 05:34 Fort Lauderdale (FLL) 1 UA 451 Non-stop Boeing 757-300 (753) 5:31 Effective 2025-05-23 through 2025-05-31 The flight arrives 1 day after departure.
Mon-Thu,Sun 21:03 San Francisco (SFO) 3 05:39 Fort Lauderdale (FLL) 1 UA 451 Non-stop Boeing 737 MAX 8 (7M8) 5:36 Effective 2025-05-25 through 2025-05-29 The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 11:47 Bozeman (BZN) 22:45 Baltimore (BWI) UA 451 1-stop Airbus A319 (319) 8:58 Effective 2025-08-03 through 2025-08-17
Thu 15:20 Austin (AUS) 05:37 Fort Lauderdale (FLL) 1 UA 451 1-stop Airbus A319 (319) 13:17 Operates only on 2025-05-22 The flight arrives 1 day after departure.
Fri,Sat 15:20 Austin (AUS) 05:34 Fort Lauderdale (FLL) 1 UA 451 1-stop Airbus A319 (319) 13:14 Effective 2025-05-23 through 2025-05-31 The flight arrives 1 day after departure.
Mon-Thu,Sun 15:20 Austin (AUS) 05:39 Fort Lauderdale (FLL) 1 UA 451 1-stop Airbus A319 (319) 13:19 Effective 2025-05-25 through 2025-05-29 The flight arrives 1 day after departure.
Mon-Thu,Sun 15:20 Austin (AUS) 05:36 Fort Lauderdale (FLL) 1 UA 451 1-stop Airbus A319 (319) 13:16 Effective 2025-06-01 through 2025-06-25 The flight arrives 1 day after departure.
Fri,Sat 15:20 Austin (AUS) 05:31 Fort Lauderdale (FLL) 1 UA 451 1-stop Airbus A319 (319) 13:11 Effective 2025-06-06 through 2025-06-21 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Austin (AUS) - Fort Lauderdale (FLL)
Austin (AUS) - San Francisco (SFO)
Bozeman (BZN) - Baltimore (BWI)
Bozeman (BZN) - Dulles, Washington (IAD)
Bozeman (BZN) - George Bush, Houston (IAH)
Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
George Bush, Houston (IAH) - Baltimore (BWI)
Phoenix Sky Harbor (PHX) - Chicago O'Hare (ORD)
San Francisco (SFO) - Fort Lauderdale (FLL)

All United Airlines flights

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United Airlines flight UA 451: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA451

07:10

Chicago O'Hare (ORD) 1

09:37

John Glenn Columbus (CMH)

Effective 2025-06-26 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:27, non-stop
Boeing 737-700 (73G)

United Airlines UA451

07:10

Chicago O'Hare (ORD) 1

09:38

John Glenn Columbus (CMH)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:28, non-stop
Airbus A319 (319)

United Airlines UA451

07:30

Chicago O'Hare (ORD) 1

09:55

John Glenn Columbus (CMH)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:25, non-stop
Boeing 737-700 (73G)

United Airlines UA451

07:30

Chicago O'Hare (ORD) 1

09:55

John Glenn Columbus (CMH)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:25, non-stop
Boeing 737-700 (73G)

United Airlines UA451

10:31

Bozeman (BZN)

16:30

Dulles, Washington (IAD)

Effective 2025-06-28 through 2025-07-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:59, non-stop
Airbus A319 (319)

United Airlines UA451

11:47

Bozeman (BZN)

16:07

George Bush, Houston (IAH) C

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Airbus A319 (319)

United Airlines UA451

11:50

Bozeman (BZN)

16:10

George Bush, Houston (IAH) C

Effective 2025-08-02 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Airbus A319 (319)

United Airlines UA451

15:20

Austin (AUS)

17:05

San Francisco (SFO) 3

Effective 2025-05-22 through 2025-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Airbus A319 (319)

United Airlines UA451

16:25

Phoenix Sky Harbor (PHX) 3

21:56

Chicago O'Hare (ORD) 1

Valid until 2025-05-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:31, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA451

16:25

Phoenix Sky Harbor (PHX) 3

21:56

Chicago O'Hare (ORD) 1

Effective 2025-05-02 through 2025-05-12

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:31, non-stop
Boeing 737-900 (739)

United Airlines UA451

16:25

Phoenix Sky Harbor (PHX) 3

21:56

Chicago O'Hare (ORD) 1

Effective 2025-05-15 through 2025-05-19

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:31, non-stop
Boeing 737-900 (739)

United Airlines UA451

18:35

George Bush, Houston (IAH) C

22:45

Baltimore (BWI)

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-900 (739)

United Airlines UA451

21:00

San Francisco (SFO) 3

05:36(+1)

Fort Lauderdale (FLL) 1

Effective 2025-06-01 through 2025-06-25

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:36, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA451

21:00

San Francisco (SFO) 3

05:31(+1)

Fort Lauderdale (FLL) 1

Effective 2025-06-06 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:31, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

United Airlines UA451

21:03

San Francisco (SFO) 3

05:37(+1)

Fort Lauderdale (FLL) 1

Operates only on 2025-05-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:34, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

United Airlines UA451

21:03

San Francisco (SFO) 3

05:34(+1)

Fort Lauderdale (FLL) 1

Effective 2025-05-23 through 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:31, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

United Airlines UA451

21:03

San Francisco (SFO) 3

05:39(+1)

Fort Lauderdale (FLL) 1

Effective 2025-05-25 through 2025-05-29

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:36, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA451

11:47

Bozeman (BZN)

22:45

Baltimore (BWI)

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:58, 1-stop
Airbus A319 (319)

United Airlines UA451

15:20

Austin (AUS)

05:37(+1)

Fort Lauderdale (FLL) 1

Operates only on 2025-05-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 13:17, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

United Airlines UA451

15:20

Austin (AUS)

05:34(+1)

Fort Lauderdale (FLL) 1

Effective 2025-05-23 through 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 13:14, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

United Airlines UA451

15:20

Austin (AUS)

05:39(+1)

Fort Lauderdale (FLL) 1

Effective 2025-05-25 through 2025-05-29

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 13:19, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

United Airlines UA451

15:20

Austin (AUS)

05:36(+1)

Fort Lauderdale (FLL) 1

Effective 2025-06-01 through 2025-06-25

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 13:16, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

United Airlines UA451

15:20

Austin (AUS)

05:31(+1)

Fort Lauderdale (FLL) 1

Effective 2025-06-06 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 13:11, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Austin (AUS) - Fort Lauderdale (FLL)
Austin (AUS) - San Francisco (SFO)
Bozeman (BZN) - Baltimore (BWI)
Bozeman (BZN) - Dulles, Washington (IAD)
Bozeman (BZN) - George Bush, Houston (IAH)
Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
George Bush, Houston (IAH) - Baltimore (BWI)
Phoenix Sky Harbor (PHX) - Chicago O'Hare (ORD)
San Francisco (SFO) - Fort Lauderdale (FLL)

All United Airlines flights

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