Southwest Airlines flight WN 2578: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:45 Kansas City (MCI) 06:30 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 05:50 Kansas City (MCI) 06:35 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-06-04 through 2026-08-03
Tue,Wed 06:00 Kansas City (MCI) 06:50 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-06-09 through 2026-07-29
Sat 06:10 Portland (PDX) 07:45 Sacramento (SMF) B WN 2578 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-08-08 through 2026-09-26
Sun 06:20 Kansas City (MCI) 07:05 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-06-07 through 2026-08-02
Tue,Wed 08:30 San Diego (SAN) 1 10:00 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-03-10 through 2026-04-01
Thu,Fri 09:50 San Diego (SAN) 1 12:15 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri 09:50 San Diego (SAN) 1 11:15 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-09 through 2026-04-06
Sun 09:55 San Diego (SAN) 1 11:20 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-08 through 2026-04-05
Sat 10:30 San Diego (SAN) 1 12:55 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737-800 (73H) 1:25 Operates only on 2026-03-07
Sat 10:30 San Diego (SAN) 1 11:55 Phoenix Sky Harbor (PHX) 4 WN 2578 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-03-14 through 2026-04-04
Sun 10:40 Houston Hobby (HOU) 12:20 Birmingham (BHM) WN 2578 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-08-09 through 2026-09-27
Sat 12:10 Nashville (BNA) 14:30 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-01-10 through 2026-02-07
Thu,Fri,Sun 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-01-11 through 2026-01-16
Mon,Sun 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-02-01 through 2026-02-06
Mon,Sun 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Effective 2026-02-17 through 2026-02-23
Mon 13:35 Nashville (BNA) 15:55 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737-800 (73H) 4:20 Operates only on 2026-03-02
Sun 15:55 Manchester (MHT) 17:40 Baltimore (BWI) WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-05-24
Mon-Fri 16:30 Nashville (BNA) 18:50 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 16:30 Nashville (BNA) 18:50 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-01-18 through 2026-01-23
Mon-Fri 16:30 Nashville (BNA) 18:50 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 16:30 Nashville (BNA) 18:50 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-02-08 through 2026-02-11
Tue,Wed 16:30 Nashville (BNA) 18:50 Las Vegas Harry Reid (LAS) 1 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 16:45 Manchester (MHT) 18:30 Baltimore (BWI) WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-09 through 2026-06-01
Sat 16:45 Manchester (MHT) 18:30 Baltimore (BWI) WN 2578 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 17:00 Austin (AUS) 18:25 New Orleans (MSY) WN 2578 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-08-06 through 2026-09-28
Sun 17:40 Manchester (MHT) 19:25 Baltimore (BWI) WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 17:40 Manchester (MHT) 19:25 Baltimore (BWI) WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-05-31
Tue,Wed 17:55 Manchester (MHT) 19:40 Baltimore (BWI) WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-04-07 through 2026-06-03
Sat 20:40 Phoenix Sky Harbor (PHX) 4 22:30 Portland (PDX) WN 2578 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-14 through 2026-02-28
Mon,Tue,Fri-Sun 22:45 Denver (DEN) 00:05 Ontario, Los Angeles (ONT) 4 WN 2578 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-04 The flight arrives 1 day after departure.
Mon 22:45 Denver (DEN) 00:05 Ontario, Los Angeles (ONT) 4 WN 2578 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-01-05 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Austin (AUS) - New Orleans (MSY)
Denver (DEN) - Ontario, Los Angeles (ONT)
Houston Hobby (HOU) - Birmingham (BHM)
Kansas City (MCI) - Phoenix Sky Harbor (PHX)
Manchester (MHT) - Baltimore (BWI)
Nashville (BNA) - Las Vegas Harry Reid (LAS)
Phoenix Sky Harbor (PHX) - Portland (PDX)
Portland (PDX) - Sacramento (SMF)
San Diego (SAN) - Phoenix Sky Harbor (PHX)

All Southwest Airlines flights

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Southwest Airlines flight WN 2578: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN2578

05:45

Kansas City (MCI)

06:30

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2578

05:50

Kansas City (MCI)

06:35

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

06:00

Kansas City (MCI)

06:50

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

06:10

Portland (PDX)

07:45

Sacramento (SMF) B

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2578

06:20

Kansas City (MCI)

07:05

Phoenix Sky Harbor (PHX) 4

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

08:30

San Diego (SAN) 1

10:00

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2578

09:50

San Diego (SAN) 1

12:15

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

09:50

San Diego (SAN) 1

11:15

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

09:55

San Diego (SAN) 1

11:20

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

10:30

San Diego (SAN) 1

12:55

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN2578

10:30

San Diego (SAN) 1

11:55

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN2578

10:40

Houston Hobby (HOU)

12:20

Birmingham (BHM)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

12:10

Nashville (BNA)

14:30

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

13:35

Nashville (BNA)

15:55

Las Vegas Harry Reid (LAS) 1

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

15:55

Manchester (MHT)

17:40

Baltimore (BWI)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:30

Nashville (BNA)

18:50

Las Vegas Harry Reid (LAS) 1

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:30

Nashville (BNA)

18:50

Las Vegas Harry Reid (LAS) 1

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:30

Nashville (BNA)

18:50

Las Vegas Harry Reid (LAS) 1

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:30

Nashville (BNA)

18:50

Las Vegas Harry Reid (LAS) 1

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:30

Nashville (BNA)

18:50

Las Vegas Harry Reid (LAS) 1

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:45

Manchester (MHT)

18:30

Baltimore (BWI)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

16:45

Manchester (MHT)

18:30

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2578

17:00

Austin (AUS)

18:25

New Orleans (MSY)

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN2578

17:40

Manchester (MHT)

19:25

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

17:40

Manchester (MHT)

19:25

Baltimore (BWI)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

17:55

Manchester (MHT)

19:40

Baltimore (BWI)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2578

20:40

Phoenix Sky Harbor (PHX) 4

22:30

Portland (PDX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2578

22:45

Denver (DEN)

00:05(+1)

Ontario, Los Angeles (ONT) 4

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2578

22:45

Denver (DEN)

00:05(+1)

Ontario, Los Angeles (ONT) 4

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Austin (AUS) - New Orleans (MSY)
Denver (DEN) - Ontario, Los Angeles (ONT)
Houston Hobby (HOU) - Birmingham (BHM)
Kansas City (MCI) - Phoenix Sky Harbor (PHX)
Manchester (MHT) - Baltimore (BWI)
Nashville (BNA) - Las Vegas Harry Reid (LAS)
Phoenix Sky Harbor (PHX) - Portland (PDX)
Portland (PDX) - Sacramento (SMF)
San Diego (SAN) - Phoenix Sky Harbor (PHX)

All Southwest Airlines flights

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