All airlines flying from Buffalo (BUF) to Phoenix Sky Harbor (PHX).

FLIGHT SCHEDULE
Direct Flights:
Sat 18:25 Buffalo (BUF) 20:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 117 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-06-06 through 2026-08-01
Sat 14:35 Buffalo (BUF) 17:45 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 725 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-01-10 through 2026-02-07
Sat 15:35 Buffalo (BUF) 18:45 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 725 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-02-14 through 2026-02-28
Thu,Fri 15:50 Buffalo (BUF) 19:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 725 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-02-12 through 2026-02-13
Mon 15:50 Buffalo (BUF) 19:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 725 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Operates only on 2026-02-16
Thu,Fri,Sun 15:50 Buffalo (BUF) 19:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 725 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-02-20 through 2026-03-01
Sat 06:30 Buffalo (BUF) 09:45 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 759 Non-stop Boeing 737-800 (73H) 5:15 Effective 2026-02-14 through 2026-02-28
Sat 06:30 Buffalo (BUF) 08:20 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1360 Non-stop Boeing 737 MAX 8 (7M8) 4:50 Effective 2026-04-11 through 2026-05-30
Wed,Thu 15:00 Buffalo (BUF) 18:00 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1674 Non-stop Boeing 737-800 (73H) 5:00 Valid until 2026-01-01
Mon 16:55 Buffalo (BUF) 19:55 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1677 Non-stop Boeing 737-700 (Scimitar Winglets) 5:00 Operates only on 2026-01-05
Sun 16:05 Buffalo (BUF) 17:50 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2164 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-04-12 through 2026-05-17
Sun 16:05 Buffalo (BUF) 17:50 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2164 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-05-31
Sun 17:45 Buffalo (BUF) 19:30 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2164 Non-stop Boeing 737-700 (Scimitar Winglets) 4:45 Operates only on 2026-05-24
Sat 17:05 Buffalo (BUF) 20:10 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4304 Non-stop Boeing 737-800 (73H) 5:05 Valid until 2026-01-03
Thu,Fri,Sun 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-01-11 through 2026-01-16
Mon,Sun 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-02-01 through 2026-02-06
Mon,Sun 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-02-17 through 2026-02-23
Mon 06:10 Buffalo (BUF) 09:25 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4629 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Operates only on 2026-03-02
Fri,Sun 15:20 Buffalo (BUF) 18:20 Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4861 Non-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2026-01-02 through 2026-01-04

A domestic route departing from the Buffalo airport (BUF) and arriving at Phoenix Sky Harbor airport (PHX).
The flight distance is 1907 miles, or 3069 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 4:35 and 5:15.

Return (PHX-BUF) flights

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All airlines flying from Buffalo (BUF) to Phoenix Sky Harbor (PHX).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN117

18:25

Buffalo (BUF)

20:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN725

14:35

Buffalo (BUF)

17:45

Phoenix Sky Harbor (PHX) 4

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN725

15:35

Buffalo (BUF)

18:45

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN725

15:50

Buffalo (BUF)

19:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-12 through 2026-02-13

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN725

15:50

Buffalo (BUF)

19:00

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN725

15:50

Buffalo (BUF)

19:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN759

06:30

Buffalo (BUF)

09:45

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1360

06:30

Buffalo (BUF)

08:20

Phoenix Sky Harbor (PHX) 4

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1674

15:00

Buffalo (BUF)

18:00

Phoenix Sky Harbor (PHX) 4

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1677

16:55

Buffalo (BUF)

19:55

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2164

16:05

Buffalo (BUF)

17:50

Phoenix Sky Harbor (PHX) 4

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2164

16:05

Buffalo (BUF)

17:50

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2164

17:45

Buffalo (BUF)

19:30

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4304

17:05

Buffalo (BUF)

20:10

Phoenix Sky Harbor (PHX) 4

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4629

06:10

Buffalo (BUF)

09:25

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4861

15:20

Buffalo (BUF)

18:20

Phoenix Sky Harbor (PHX) 4

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737-700 (Scimitar Winglets)

A domestic route departing from the Buffalo airport (BUF) and arriving at Phoenix Sky Harbor airport (PHX).
The flight distance is 1907 miles, or 3069 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 4:35 and 5:15.

Return (PHX-BUF) flights

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