Southwest Airlines flights from Phoenix Sky Harbor (PHX) to Buffalo (BUF).

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FLIGHT SCHEDULE
Direct Flights:
Sat 08:00 Phoenix Sky Harbor (PHX) 4 15:05 Buffalo (BUF) Southwest Airlines WN 102 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 09:55 Phoenix Sky Harbor (PHX) 4 17:00 Buffalo (BUF) Southwest Airlines WN 102 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-10-02 through 2025-10-31
Sun 11:40 Phoenix Sky Harbor (PHX) 4 18:45 Buffalo (BUF) Southwest Airlines WN 102 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-10-05 through 2025-10-26
Sat 16:05 Phoenix Sky Harbor (PHX) 4 23:05 Buffalo (BUF) Southwest Airlines WN 650 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-10-04 through 2025-11-01
Sun 11:55 Phoenix Sky Harbor (PHX) 4 18:55 Buffalo (BUF) Southwest Airlines WN 983 Non-stop Boeing 737-700 (73W) 4:00 Valid until 2025-05-18
Sun 11:55 Phoenix Sky Harbor (PHX) 4 18:55 Buffalo (BUF) Southwest Airlines WN 983 Non-stop Boeing 737-700 (73W) 4:00 Operates only on 2025-06-01
Sat 10:05 Phoenix Sky Harbor (PHX) 4 16:15 Buffalo (BUF) Southwest Airlines WN 1466 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-11-22 through 2025-11-29
Sat 10:05 Phoenix Sky Harbor (PHX) 4 16:15 Buffalo (BUF) Southwest Airlines WN 1466 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-12-20 through 2026-01-03
Tue,Wed 09:50 Phoenix Sky Harbor (PHX) 4 16:55 Buffalo (BUF) Southwest Airlines WN 1525 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-10-07 through 2025-10-29
Sun 09:30 Phoenix Sky Harbor (PHX) 4 16:40 Buffalo (BUF) Southwest Airlines WN 1529 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-08-10 through 2025-08-24
Sun 09:30 Phoenix Sky Harbor (PHX) 4 16:40 Buffalo (BUF) Southwest Airlines WN 1529 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-09-07 through 2025-09-28
Sat 16:10 Phoenix Sky Harbor (PHX) 4 23:15 Buffalo (BUF) Southwest Airlines WN 1529 Non-stop Boeing 737-700 (73W) 4:05 Effective 2025-08-09 through 2025-09-27
Tue,Wed 15:05 Phoenix Sky Harbor (PHX) 4 21:05 Buffalo (BUF) Southwest Airlines WN 2211 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 15:05 Phoenix Sky Harbor (PHX) 4 21:05 Buffalo (BUF) Southwest Airlines WN 2211 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 15:05 Phoenix Sky Harbor (PHX) 4 21:05 Buffalo (BUF) Southwest Airlines WN 2211 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 15:05 Phoenix Sky Harbor (PHX) 4 21:05 Buffalo (BUF) Southwest Airlines WN 2211 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 15:05 Phoenix Sky Harbor (PHX) 4 21:05 Buffalo (BUF) Southwest Airlines WN 2211 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-24 through 2026-01-01
Mon-Wed 11:20 Phoenix Sky Harbor (PHX) 4 17:25 Buffalo (BUF) Southwest Airlines WN 2293 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 11:20 Phoenix Sky Harbor (PHX) 4 17:25 Buffalo (BUF) Southwest Airlines WN 2293 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-12-19 through 2026-01-04
Sun 13:55 Phoenix Sky Harbor (PHX) 4 21:00 Buffalo (BUF) Southwest Airlines WN 2575 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2025-08-31
Tue,Wed 15:05 Phoenix Sky Harbor (PHX) 4 22:05 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-700 (73W) 4:00 Effective 2025-06-10 through 2025-07-30
Fri 15:40 Phoenix Sky Harbor (PHX) 4 22:45 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2025-07-04
Sat 16:30 Phoenix Sky Harbor (PHX) 4 23:35 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 16:50 Phoenix Sky Harbor (PHX) 4 23:55 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 16:50 Phoenix Sky Harbor (PHX) 4 23:55 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-07-07 through 2025-08-04
Sun 17:40 Phoenix Sky Harbor (PHX) 4 00:45 Buffalo (BUF) Southwest Airlines WN 3066 Non-stop Boeing 737-700 (73W) 4:05 Effective 2025-06-08 through 2025-08-03 The flight arrives 1 day after departure.
Sat 08:10 Phoenix Sky Harbor (PHX) 4 15:10 Buffalo (BUF) Southwest Airlines WN 3260 Non-stop Boeing 737-700 (73W) 4:00 Valid until 2025-05-31
Tue,Wed 09:10 Phoenix Sky Harbor (PHX) 4 16:15 Buffalo (BUF) Southwest Airlines WN 3260 Non-stop Boeing 737-800 (73H) 4:05 Valid until 2025-06-04
Sat 16:00 Phoenix Sky Harbor (PHX) 4 23:00 Buffalo (BUF) Southwest Airlines WN 3440 Non-stop Boeing 737-700 (73W) 4:00 Valid until 2025-05-31
Sat 07:40 Phoenix Sky Harbor (PHX) 4 14:45 Buffalo (BUF) Southwest Airlines WN 3554 Non-stop Boeing 737-700 (73W) 4:05 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 11:00 Phoenix Sky Harbor (PHX) 4 18:05 Buffalo (BUF) Southwest Airlines WN 3812 Non-stop Boeing 737-700 (73W) 4:05 Valid until 2025-06-02
Mon,Thu,Fri 08:15 Phoenix Sky Harbor (PHX) 4 15:25 Buffalo (BUF) Southwest Airlines WN 3869 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-08-07 through 2025-09-29
Sun 19:00 Phoenix Sky Harbor (PHX) 4 01:00 Buffalo (BUF) Southwest Airlines WN 4313 Non-stop Boeing 737-800 (73H) 4:00 Operates only on 2025-11-30 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-21 through 2025-11-28
Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-07 through 2025-12-14
Thu 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2025-12-18
Mon 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2026-01-05
Sat 17:05 Phoenix Sky Harbor (PHX) 4 23:05 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-11-08 through 2025-11-15
Sat 17:05 Phoenix Sky Harbor (PHX) 4 23:05 Buffalo (BUF) Southwest Airlines WN 4504 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-12-06 through 2025-12-13
Non-Direct Flights:
Mon-Wed 06:25 Phoenix Sky Harbor (PHX) 4 14:05 Buffalo (BUF) Southwest Airlines WN 2035 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 06:25 Phoenix Sky Harbor (PHX) 4 14:05 Buffalo (BUF) Southwest Airlines WN 2035 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 05:15 Phoenix Sky Harbor (PHX) 4 13:40 Buffalo (BUF) Southwest Airlines WN 2663 1-stop Boeing 737-800 (73H) 5:25 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 05:15 Phoenix Sky Harbor (PHX) 4 13:40 Buffalo (BUF) Southwest Airlines WN 2663 1-stop Boeing 737-800 (73H) 5:25 Effective 2025-07-07 through 2025-08-04
Tue,Wed 08:20 Phoenix Sky Harbor (PHX) 4 17:35 Buffalo (BUF) Southwest Airlines WN 3314 1-stop Boeing 737-800 (73H) 6:15 Effective 2025-10-07 through 2025-10-29

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Parallax here PHX-BUF

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Buffalo airport (BUF).
The flight distance is 1907 miles, or 3069 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:00 and 4:10.

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Southwest Airlines flights from Phoenix Sky Harbor (PHX) to Buffalo (BUF).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN102

08:00

Phoenix Sky Harbor (PHX) 4

15:05

Buffalo (BUF)

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN102

09:55

Phoenix Sky Harbor (PHX) 4

17:00

Buffalo (BUF)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN102

11:40

Phoenix Sky Harbor (PHX) 4

18:45

Buffalo (BUF)

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN650

16:05

Phoenix Sky Harbor (PHX) 4

23:05

Buffalo (BUF)

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN983

11:55

Phoenix Sky Harbor (PHX) 4

18:55

Buffalo (BUF)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN983

11:55

Phoenix Sky Harbor (PHX) 4

18:55

Buffalo (BUF)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1466

10:05

Phoenix Sky Harbor (PHX) 4

16:15

Buffalo (BUF)

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1466

10:05

Phoenix Sky Harbor (PHX) 4

16:15

Buffalo (BUF)

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1525

09:50

Phoenix Sky Harbor (PHX) 4

16:55

Buffalo (BUF)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1529

09:30

Phoenix Sky Harbor (PHX) 4

16:40

Buffalo (BUF)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1529

09:30

Phoenix Sky Harbor (PHX) 4

16:40

Buffalo (BUF)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1529

16:10

Phoenix Sky Harbor (PHX) 4

23:15

Buffalo (BUF)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2211

15:05

Phoenix Sky Harbor (PHX) 4

21:05

Buffalo (BUF)

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2211

15:05

Phoenix Sky Harbor (PHX) 4

21:05

Buffalo (BUF)

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2211

15:05

Phoenix Sky Harbor (PHX) 4

21:05

Buffalo (BUF)

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2211

15:05

Phoenix Sky Harbor (PHX) 4

21:05

Buffalo (BUF)

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2211

15:05

Phoenix Sky Harbor (PHX) 4

21:05

Buffalo (BUF)

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2293

11:20

Phoenix Sky Harbor (PHX) 4

17:25

Buffalo (BUF)

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2293

11:20

Phoenix Sky Harbor (PHX) 4

17:25

Buffalo (BUF)

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2575

13:55

Phoenix Sky Harbor (PHX) 4

21:00

Buffalo (BUF)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3066

15:05

Phoenix Sky Harbor (PHX) 4

22:05

Buffalo (BUF)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3066

15:40

Phoenix Sky Harbor (PHX) 4

22:45

Buffalo (BUF)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3066

16:30

Phoenix Sky Harbor (PHX) 4

23:35

Buffalo (BUF)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3066

16:50

Phoenix Sky Harbor (PHX) 4

23:55

Buffalo (BUF)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3066

16:50

Phoenix Sky Harbor (PHX) 4

23:55

Buffalo (BUF)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3066

17:40

Phoenix Sky Harbor (PHX) 4

00:45(+1)

Buffalo (BUF)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.

Southwest Airlines WN3260

08:10

Phoenix Sky Harbor (PHX) 4

15:10

Buffalo (BUF)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3260

09:10

Phoenix Sky Harbor (PHX) 4

16:15

Buffalo (BUF)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3440

16:00

Phoenix Sky Harbor (PHX) 4

23:00

Buffalo (BUF)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3554

07:40

Phoenix Sky Harbor (PHX) 4

14:45

Buffalo (BUF)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3812

11:00

Phoenix Sky Harbor (PHX) 4

18:05

Buffalo (BUF)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3869

08:15

Phoenix Sky Harbor (PHX) 4

15:25

Buffalo (BUF)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4313

19:00

Phoenix Sky Harbor (PHX) 4

01:00(+1)

Buffalo (BUF)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN4504

13:20

Phoenix Sky Harbor (PHX) 4

19:20

Buffalo (BUF)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4504

13:20

Phoenix Sky Harbor (PHX) 4

19:20

Buffalo (BUF)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4504

13:20

Phoenix Sky Harbor (PHX) 4

19:20

Buffalo (BUF)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4504

13:20

Phoenix Sky Harbor (PHX) 4

19:20

Buffalo (BUF)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4504

13:20

Phoenix Sky Harbor (PHX) 4

19:20

Buffalo (BUF)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4504

17:05

Phoenix Sky Harbor (PHX) 4

23:05

Buffalo (BUF)

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4504

17:05

Phoenix Sky Harbor (PHX) 4

23:05

Buffalo (BUF)

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN2035

06:25

Phoenix Sky Harbor (PHX) 4

14:05

Buffalo (BUF)

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2035

06:25

Phoenix Sky Harbor (PHX) 4

14:05

Buffalo (BUF)

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2663

05:15

Phoenix Sky Harbor (PHX) 4

13:40

Buffalo (BUF)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:25, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN2663

05:15

Phoenix Sky Harbor (PHX) 4

13:40

Buffalo (BUF)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:25, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3314

08:20

Phoenix Sky Harbor (PHX) 4

17:35

Buffalo (BUF)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:15, 1-stop
Boeing 737-800 (73H)

Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box

Parallax here PHX-BUF

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Buffalo airport (BUF).
The flight distance is 1907 miles, or 3069 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:00 and 4:10.

All PHX-BUF flights

All Southwest Airlines flights

Return (BUF-PHX) flights

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