Southwest Airlines flight WN 1645: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed,Sat 06:00 Dallas Love Field (DAL) 1 09:20 Tampa (TPA) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-04-07 through 2026-06-03
Sun 06:25 Dallas Love Field (DAL) 1 09:40 Tampa (TPA) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-04-12 through 2026-05-17
Sun 06:25 Dallas Love Field (DAL) 1 09:40 Tampa (TPA) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-05-31
Sun 06:30 Ontario, Los Angeles (ONT) 4 07:50 San Jose (SJC) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-08-09 through 2026-09-27
Mon 06:50 Harlingen (HRL) 08:05 Austin (AUS) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-05
Mon,Tue,Fri,Sun 08:15 Baltimore (BWI) 10:20 Denver (DEN) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Valid until 2026-01-04
Sat 08:25 Baltimore (BWI) 10:35 Denver (DEN) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Valid until 2026-01-03
Mon 08:50 Austin (AUS) 10:15 New Orleans (MSY) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-01-05
Tue,Wed 10:05 Boston Logan (BOS) B 11:35 Chicago Midway (MDW) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-08-04 through 2026-09-30
Tue,Wed 10:10 Albuquerque (ABQ) 15:45 Baltimore (BWI) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-10 through 2026-04-01
Sat 12:10 Luis Munoz Marin, San Juan (SJU) B 15:55 Nashville (BNA) WN 1645 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-03-14 through 2026-04-04
Sat 13:10 Luis Munoz Marin, San Juan (SJU) B 15:55 Nashville (BNA) WN 1645 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-07
Sun 14:00 Orlando (MCO) 15:45 Knoxville (TYS) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 14:50 Albuquerque (ABQ) 20:25 Baltimore (BWI) WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-05 through 2026-04-06
Sat 14:55 Orlando (MCO) 16:40 Knoxville (TYS) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-06-06 through 2026-08-01
Tue,Wed 15:10 Orlando (MCO) 17:00 Knoxville (TYS) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri,Sun 16:20 Knoxville (TYS) 17:35 Denver (DEN) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-06-04 through 2026-08-03
Mon-Fri 16:35 Denver (DEN) 18:15 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 16:35 Denver (DEN) 18:15 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-18 through 2026-01-23
Mon-Fri 16:35 Denver (DEN) 18:15 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 16:35 Denver (DEN) 18:15 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-08 through 2026-02-11
Tue,Wed 16:35 Denver (DEN) 18:15 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-18 through 2026-03-04
Sat 17:15 Knoxville (TYS) 18:35 Denver (DEN) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-06-06 through 2026-08-01
Wed,Thu 17:40 Harlingen (HRL) 18:55 Austin (AUS) WN 1645 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2026-01-01
Tue,Wed 17:40 Knoxville (TYS) 19:00 Denver (DEN) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 18:05 Albuquerque (ABQ) 18:30 Phoenix Sky Harbor (PHX) 4 WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 18:15 Denver (DEN) 19:30 Montrose (MTJ) WN 1645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-04 through 2026-08-03
Thu 19:30 Austin (AUS) 20:35 Dallas Love Field (DAL) 1 WN 1645 Non-stop Boeing 737-700 (73W) 1:05 Valid until 2026-01-01
Mon,Thu,Fri 20:00 Denver (DEN) 21:40 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:00 Denver (DEN) 21:40 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-20 through 2026-03-01
Sat 20:40 Denver (DEN) 22:20 Sacramento (SMF) B WN 1645 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-14 through 2026-02-28
Non-Direct Flights:
Mon 06:50 Harlingen (HRL) 10:15 New Orleans (MSY) WN 1645 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Operates only on 2026-01-05
Sun 14:00 Orlando (MCO) 17:35 Denver (DEN) WN 1645 1-stop Boeing 737-700 (Scimitar Winglets) 5:35 Effective 2026-06-07 through 2026-08-02
Sat 14:55 Orlando (MCO) 18:35 Denver (DEN) WN 1645 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2026-06-06 through 2026-08-01
Tue,Wed 15:10 Orlando (MCO) 19:00 Denver (DEN) WN 1645 1-stop Boeing 737-700 (Scimitar Winglets) 5:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 16:20 Knoxville (TYS) 19:30 Montrose (MTJ) WN 1645 1-stop Boeing 737-700 (Scimitar Winglets) 5:10 Effective 2026-06-04 through 2026-08-03
Thu 17:40 Harlingen (HRL) 20:35 Dallas Love Field (DAL) 1 WN 1645 1-stop Boeing 737-700 (73W) 2:55 Valid until 2026-01-01

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This flight number is listed as serving the following routes:

Albuquerque (ABQ) - Baltimore (BWI)
Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
Austin (AUS) - Dallas Love Field (DAL)
Austin (AUS) - New Orleans (MSY)
Baltimore (BWI) - Denver (DEN)
Boston Logan (BOS) - Chicago Midway (MDW)
Dallas Love Field (DAL) - Tampa (TPA)
Denver (DEN) - Montrose (MTJ)
Denver (DEN) - Sacramento (SMF)
Harlingen (HRL) - Austin (AUS)
Harlingen (HRL) - Dallas Love Field (DAL)
Harlingen (HRL) - New Orleans (MSY)
Knoxville (TYS) - Denver (DEN)
Knoxville (TYS) - Montrose (MTJ)
Luis Munoz Marin, San Juan (SJU) - Nashville (BNA)
Ontario, Los Angeles (ONT) - San Jose (SJC)
Orlando (MCO) - Denver (DEN)
Orlando (MCO) - Knoxville (TYS)

All Southwest Airlines flights

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Southwest Airlines flight WN 1645: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN1645

06:00

Dallas Love Field (DAL) 1

09:20

Tampa (TPA)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

06:25

Dallas Love Field (DAL) 1

09:40

Tampa (TPA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

06:25

Dallas Love Field (DAL) 1

09:40

Tampa (TPA)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

06:30

Ontario, Los Angeles (ONT) 4

07:50

San Jose (SJC) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

06:50

Harlingen (HRL)

08:05

Austin (AUS)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

08:15

Baltimore (BWI)

10:20

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN1645

08:25

Baltimore (BWI)

10:35

Denver (DEN)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN1645

08:50

Austin (AUS)

10:15

New Orleans (MSY)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

10:05

Boston Logan (BOS) B

11:35

Chicago Midway (MDW)

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

10:10

Albuquerque (ABQ)

15:45

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

12:10

Luis Munoz Marin, San Juan (SJU) B

15:55

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN1645

13:10

Luis Munoz Marin, San Juan (SJU) B

15:55

Nashville (BNA)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN1645

14:00

Orlando (MCO)

15:45

Knoxville (TYS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN1645

14:50

Albuquerque (ABQ)

20:25

Baltimore (BWI)

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

14:55

Orlando (MCO)

16:40

Knoxville (TYS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN1645

15:10

Orlando (MCO)

17:00

Knoxville (TYS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

16:20

Knoxville (TYS)

17:35

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

16:35

Denver (DEN)

18:15

Sacramento (SMF) B

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

16:35

Denver (DEN)

18:15

Sacramento (SMF) B

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

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

16:35

Denver (DEN)

18:15

Sacramento (SMF) B

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

16:35

Denver (DEN)

18:15

Sacramento (SMF) B

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

16:35

Denver (DEN)

18:15

Sacramento (SMF) B

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

17:15

Knoxville (TYS)

18:35

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

17:40

Harlingen (HRL)

18:55

Austin (AUS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN1645

17:40

Knoxville (TYS)

19:00

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

18:05

Albuquerque (ABQ)

18:30

Phoenix Sky Harbor (PHX) 4

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

18:15

Denver (DEN)

19:30

Montrose (MTJ)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1645

19:30

Austin (AUS)

20:35

Dallas Love Field (DAL) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:05, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN1645

20:00

Denver (DEN)

21:40

Sacramento (SMF) B

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

20:00

Denver (DEN)

21:40

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1645

20:40

Denver (DEN)

22:20

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1645

06:50

Harlingen (HRL)

10:15

New Orleans (MSY)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1645

14:00

Orlando (MCO)

17:35

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1645

14:55

Orlando (MCO)

18:35

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1645

15:10

Orlando (MCO)

19:00

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1645

16:20

Knoxville (TYS)

19:30

Montrose (MTJ)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1645

17:40

Harlingen (HRL)

20:35

Dallas Love Field (DAL) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:55, 1-stop
Boeing 737-700 (73W)

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Parallax here

This flight number is listed as serving the following routes:

Albuquerque (ABQ) - Baltimore (BWI)
Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
Austin (AUS) - Dallas Love Field (DAL)
Austin (AUS) - New Orleans (MSY)
Baltimore (BWI) - Denver (DEN)
Boston Logan (BOS) - Chicago Midway (MDW)
Dallas Love Field (DAL) - Tampa (TPA)
Denver (DEN) - Montrose (MTJ)
Denver (DEN) - Sacramento (SMF)
Harlingen (HRL) - Austin (AUS)
Harlingen (HRL) - Dallas Love Field (DAL)
Harlingen (HRL) - New Orleans (MSY)
Knoxville (TYS) - Denver (DEN)
Knoxville (TYS) - Montrose (MTJ)
Luis Munoz Marin, San Juan (SJU) - Nashville (BNA)
Ontario, Los Angeles (ONT) - San Jose (SJC)
Orlando (MCO) - Denver (DEN)
Orlando (MCO) - Knoxville (TYS)

All Southwest Airlines flights

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