Southwest Airlines flight WN 3645: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 08:05 Chicago Midway (MDW) 10:25 Panama City (ECP) WN 3645 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-03-07 through 2026-04-04
Sat 08:40 Luis Munoz Marin, San Juan (SJU) B 11:40 Orlando (MCO) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-08 through 2026-09-26
Sun 10:10 Luis Munoz Marin, San Juan (SJU) B 13:10 Orlando (MCO) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-09 through 2026-09-27
Tue,Wed 10:35 Luis Munoz Marin, San Juan (SJU) B 13:35 Orlando (MCO) WN 3645 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-08-04 through 2026-09-30
Sat 11:10 Fort Myers (RSW) 14:05 Providence (PVD) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-04-11 through 2026-05-30
Sun 12:50 Chicago Midway (MDW) 15:05 Panama City (ECP) WN 3645 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-03-08 through 2026-04-05
Sat 14:45 Providence (PVD) 16:20 Baltimore (BWI) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 16:10 Ronald Reagan Washington (DCA) 1 18:30 Oklahoma City (OKC) WN 3645 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-03-05 through 2026-04-06
Tue,Wed 16:45 Ronald Reagan Washington (DCA) 1 19:05 Oklahoma City (OKC) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-10 through 2026-04-01
Sat 17:10 Baltimore (BWI) 19:30 Las Vegas Harry Reid (LAS) 1 WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 17:35 San Francisco (SFO) 2 19:10 Los Angeles (LAX) 1 WN 3645 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 18:05 Kansas City (MCI) 21:55 New York LaGuardia (LGA) B WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-06 through 2026-09-28
Sun 19:10 San Francisco (SFO) 2 20:35 Los Angeles (LAX) 1 WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-07 through 2026-08-02
Mon,Tue,Fri,Sun 19:20 Miami (MIA) 21:20 Saint Louis (STL) 2 WN 3645 Non-stop Boeing 737-800 (73H) 3:00 Valid until 2026-01-04
Sat 19:50 Miami (MIA) 22:00 Saint Louis (STL) 2 WN 3645 Non-stop Boeing 737-800 (73H) 3:10 Valid until 2026-01-03
Tue,Wed 19:50 Las Vegas Harry Reid (LAS) 1 21:00 Long Beach (LGB) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-04-07 through 2026-06-03
Sat 20:10 Las Vegas Harry Reid (LAS) 1 23:00 Seattle-Tacoma (SEA) WN 3645 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-11 through 2026-05-30
Non-Direct Flights:
Sat 11:10 Fort Myers (RSW) 16:20 Baltimore (BWI) WN 3645 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-04-11 through 2026-05-30
Sat 14:45 Providence (PVD) 19:30 Las Vegas Harry Reid (LAS) 1 WN 3645 1-stop Boeing 737 MAX 8 (7M8) 7:45 Effective 2026-04-11 through 2026-05-30
Sat 17:10 Baltimore (BWI) 23:00 Seattle-Tacoma (SEA) WN 3645 1-stop Boeing 737 MAX 8 (7M8) 8:50 Effective 2026-04-11 through 2026-05-30
Sat 11:10 Fort Myers (RSW) 19:30 Las Vegas Harry Reid (LAS) 1 WN 3645 2-stop Boeing 737 MAX 8 (7M8) 11:20 Effective 2026-04-11 through 2026-05-30
Sat 14:45 Providence (PVD) 23:00 Seattle-Tacoma (SEA) WN 3645 2-stop Boeing 737 MAX 8 (7M8) 11:15 Effective 2026-04-11 through 2026-05-30
Sat 11:10 Fort Myers (RSW) 23:00 Seattle-Tacoma (SEA) WN 3645 3-stop Boeing 737 MAX 8 (7M8) 14:50 Effective 2026-04-11 through 2026-05-30

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Parallax here

This flight number is listed as serving the following routes:

Baltimore (BWI) - Las Vegas Harry Reid (LAS)
Baltimore (BWI) - Seattle-Tacoma (SEA)
Chicago Midway (MDW) - Panama City (ECP)
Fort Myers (RSW) - Baltimore (BWI)
Fort Myers (RSW) - Las Vegas Harry Reid (LAS)
Fort Myers (RSW) - Providence (PVD)
Fort Myers (RSW) - Seattle-Tacoma (SEA)
Kansas City (MCI) - New York LaGuardia (LGA)
Las Vegas Harry Reid (LAS) - Long Beach (LGB)
Las Vegas Harry Reid (LAS) - Seattle-Tacoma (SEA)
Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
Miami (MIA) - Saint Louis (STL)
Providence (PVD) - Baltimore (BWI)
Providence (PVD) - Las Vegas Harry Reid (LAS)
Providence (PVD) - Seattle-Tacoma (SEA)
Ronald Reagan Washington (DCA) - Oklahoma City (OKC)
San Francisco (SFO) - Los Angeles (LAX)

All Southwest Airlines flights

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Southwest Airlines flight WN 3645: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3645

08:05

Chicago Midway (MDW)

10:25

Panama City (ECP)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3645

08:40

Luis Munoz Marin, San Juan (SJU) B

11:40

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

10:10

Luis Munoz Marin, San Juan (SJU) B

13:10

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

10:35

Luis Munoz Marin, San Juan (SJU) B

13:35

Orlando (MCO)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3645

11:10

Fort Myers (RSW)

14:05

Providence (PVD)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

12:50

Chicago Midway (MDW)

15:05

Panama City (ECP)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3645

14:45

Providence (PVD)

16:20

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

16:10

Ronald Reagan Washington (DCA) 1

18:30

Oklahoma City (OKC)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3645

16:45

Ronald Reagan Washington (DCA) 1

19:05

Oklahoma City (OKC)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

17:10

Baltimore (BWI)

19:30

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

17:35

San Francisco (SFO) 2

19:10

Los Angeles (LAX) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3645

18:05

Kansas City (MCI)

21:55

New York LaGuardia (LGA) B

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3645

19:10

San Francisco (SFO) 2

20:35

Los Angeles (LAX) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3645

19:20

Miami (MIA)

21:20

Saint Louis (STL) 2

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3645

19:50

Miami (MIA)

22:00

Saint Louis (STL) 2

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3645

19:50

Las Vegas Harry Reid (LAS) 1

21:00

Long Beach (LGB)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3645

20:10

Las Vegas Harry Reid (LAS) 1

23:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN3645

11:10

Fort Myers (RSW)

16:20

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3645

14:45

Providence (PVD)

19:30

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN3645

17:10

Baltimore (BWI)

23:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:50, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3645

11:10

Fort Myers (RSW)

19:30

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 11:20, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3645

14:45

Providence (PVD)

23:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 11:15, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3645

11:10

Fort Myers (RSW)

23:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 14:50, 3-stop
Boeing 737 MAX 8 (7M8)

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Parallax here

This flight number is listed as serving the following routes:

Baltimore (BWI) - Las Vegas Harry Reid (LAS)
Baltimore (BWI) - Seattle-Tacoma (SEA)
Chicago Midway (MDW) - Panama City (ECP)
Fort Myers (RSW) - Baltimore (BWI)
Fort Myers (RSW) - Las Vegas Harry Reid (LAS)
Fort Myers (RSW) - Providence (PVD)
Fort Myers (RSW) - Seattle-Tacoma (SEA)
Kansas City (MCI) - New York LaGuardia (LGA)
Las Vegas Harry Reid (LAS) - Long Beach (LGB)
Las Vegas Harry Reid (LAS) - Seattle-Tacoma (SEA)
Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
Miami (MIA) - Saint Louis (STL)
Providence (PVD) - Baltimore (BWI)
Providence (PVD) - Las Vegas Harry Reid (LAS)
Providence (PVD) - Seattle-Tacoma (SEA)
Ronald Reagan Washington (DCA) - Oklahoma City (OKC)
San Francisco (SFO) - Los Angeles (LAX)

All Southwest Airlines flights

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