Southwest Airlines flight WN 3520: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon 07:10 San Antonio (SAT) A 08:20 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Mon,Thu,Fri 08:00 Louisville (SDF) 09:00 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri,Sun 08:25 Montrose (MTJ) 09:25 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-04-09 through 2026-05-22
Mon,Thu,Fri,Sun 08:25 Montrose (MTJ) 09:25 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-05-25 through 2026-06-01
Sat 08:30 Montrose (MTJ) 09:30 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-04-11 through 2026-05-30
Tue,Wed 08:45 Montrose (MTJ) 09:45 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-04-07 through 2026-06-03
Mon 09:00 Dallas Love Field (DAL) 1 10:15 San Diego (SAN) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Operates only on 2026-01-05
Sun 09:15 Montrose (MTJ) 10:15 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Operates only on 2026-05-24
Sun 09:30 New Orleans (MSY) 11:10 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-03-08 through 2026-04-05
Tue,Wed 09:40 San Jose (SJC) B 10:50 Burbank (BUR) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-06-09 through 2026-07-29
Sat 10:45 Nashville (BNA) 16:45 Luis Munoz Marin, San Juan (SJU) B WN 3520 Non-stop Boeing 737-800 (73H) 4:00 Valid until 2026-01-03
Mon-Fri 11:00 Chicago Midway (MDW) 11:45 Milwaukee (MKE) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 0:45 Effective 2026-03-05 through 2026-04-06
Sun 11:05 Louisville (SDF) 12:10 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-09 through 2026-09-27
Sun 11:45 Dallas Love Field (DAL) 1 12:50 Austin (AUS) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-03-08 through 2026-04-05
Sat 12:10 Milwaukee (MKE) 14:50 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-03-07 through 2026-04-04
Mon-Fri 12:20 Milwaukee (MKE) 15:00 Dallas Love Field (DAL) 1 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-03-05 through 2026-04-06
Sat 13:10 Charlotte (CLT) 14:25 Saint Louis (STL) 2 WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-14 through 2026-02-28
Sun 13:25 Austin (AUS) 14:40 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 15:40 Dallas Love Field (DAL) 1 16:50 Austin (AUS) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-03-05 through 2026-04-06
Mon,Tue,Fri,Sun 16:35 Kansas City (MCI) 17:40 Las Vegas Harry Reid (LAS) 1 WN 3520 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Valid until 2026-01-04
Mon,Thu,Fri 17:25 Austin (AUS) 18:45 Denver (DEN) WN 3520 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-03-05 through 2026-04-06
Wed,Thu 20:55 Phoenix Sky Harbor (PHX) 4 21:15 Santa Ana (SNA) WN 3520 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2026-01-01
Non-Direct Flights:
Mon 07:10 San Antonio (SAT) A 10:15 San Diego (SAN) 1 WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 5:05 Operates only on 2026-01-05
Sun 09:30 New Orleans (MSY) 12:50 Austin (AUS) WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-03-08 through 2026-04-05
Mon-Fri 11:00 Chicago Midway (MDW) 15:00 Dallas Love Field (DAL) 1 WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-03-05 through 2026-04-06
Sun 11:45 Dallas Love Field (DAL) 1 14:40 Denver (DEN) WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 12:20 Milwaukee (MKE) 16:50 Austin (AUS) WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 15:40 Dallas Love Field (DAL) 1 18:45 Denver (DEN) WN 3520 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-03-05 through 2026-04-06
Sun 09:30 New Orleans (MSY) 14:40 Denver (DEN) WN 3520 2-stop Boeing 737-700 (Scimitar Winglets) 6:10 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 11:00 Chicago Midway (MDW) 16:50 Austin (AUS) WN 3520 2-stop Boeing 737-700 (Scimitar Winglets) 5:50 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 12:20 Milwaukee (MKE) 18:45 Denver (DEN) WN 3520 2-stop Boeing 737-700 (Scimitar Winglets) 7:25 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 11:00 Chicago Midway (MDW) 18:45 Denver (DEN) WN 3520 3-stop Boeing 737-700 (Scimitar Winglets) 8:45 Effective 2026-03-05 through 2026-04-06

This flight number is listed as serving the following routes:

Austin (AUS) - Denver (DEN)
Charlotte (CLT) - Saint Louis (STL)
Chicago Midway (MDW) - Austin (AUS)
Chicago Midway (MDW) - Dallas Love Field (DAL)
Chicago Midway (MDW) - Denver (DEN)
Chicago Midway (MDW) - Milwaukee (MKE)
Dallas Love Field (DAL) - Austin (AUS)
Dallas Love Field (DAL) - Denver (DEN)
Dallas Love Field (DAL) - San Diego (SAN)
Kansas City (MCI) - Las Vegas Harry Reid (LAS)
Louisville (SDF) - Dallas Love Field (DAL)
Milwaukee (MKE) - Austin (AUS)
Milwaukee (MKE) - Dallas Love Field (DAL)
Milwaukee (MKE) - Denver (DEN)
Montrose (MTJ) - Denver (DEN)
Nashville (BNA) - Luis Munoz Marin, San Juan (SJU)
New Orleans (MSY) - Austin (AUS)
New Orleans (MSY) - Dallas Love Field (DAL)
New Orleans (MSY) - Denver (DEN)
Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
San Antonio (SAT) - Dallas Love Field (DAL)
San Antonio (SAT) - San Diego (SAN)
San Jose (SJC) - Burbank (BUR)

All Southwest Airlines flights

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Southwest Airlines flight WN 3520: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3520

07:10

San Antonio (SAT) A

08:20

Dallas Love Field (DAL) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

08:00

Louisville (SDF)

09:00

Dallas Love Field (DAL) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3520

08:25

Montrose (MTJ)

09:25

Denver (DEN)

Effective 2026-04-09 through 2026-05-22

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

08:25

Montrose (MTJ)

09:25

Denver (DEN)

Effective 2026-05-25 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

08:30

Montrose (MTJ)

09:30

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

08:45

Montrose (MTJ)

09:45

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

09:00

Dallas Love Field (DAL) 1

10:15

San Diego (SAN) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

09:15

Montrose (MTJ)

10:15

Denver (DEN)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

09:30

New Orleans (MSY)

11:10

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3520

09:40

San Jose (SJC) B

10:50

Burbank (BUR)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

10:45

Nashville (BNA)

16:45

Luis Munoz Marin, San Juan (SJU) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

11:00

Chicago Midway (MDW)

11:45

Milwaukee (MKE)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 0:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

11:05

Louisville (SDF)

12:10

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

11:45

Dallas Love Field (DAL) 1

12:50

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

12:10

Milwaukee (MKE)

14:50

Dallas Love Field (DAL) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

12:20

Milwaukee (MKE)

15:00

Dallas Love Field (DAL) 1

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

13:10

Charlotte (CLT)

14:25

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

13:25

Austin (AUS)

14:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3520

15:40

Dallas Love Field (DAL) 1

16:50

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

16:35

Kansas City (MCI)

17:40

Las Vegas Harry Reid (LAS) 1

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3520

17:25

Austin (AUS)

18:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3520

20:55

Phoenix Sky Harbor (PHX) 4

21:15

Santa Ana (SNA)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN3520

07:10

San Antonio (SAT) A

10:15

San Diego (SAN) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

09:30

New Orleans (MSY)

12:50

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

11:00

Chicago Midway (MDW)

15:00

Dallas Love Field (DAL) 1

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

11:45

Dallas Love Field (DAL) 1

14:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

12:20

Milwaukee (MKE)

16:50

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

15:40

Dallas Love Field (DAL) 1

18:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

09:30

New Orleans (MSY)

14:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

11:00

Chicago Midway (MDW)

16:50

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:50, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

12:20

Milwaukee (MKE)

18:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:25, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3520

11:00

Chicago Midway (MDW)

18:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 8:45, 3-stop
Boeing 737-700 (Scimitar Winglets)

This flight number is listed as serving the following routes:

Austin (AUS) - Denver (DEN)
Charlotte (CLT) - Saint Louis (STL)
Chicago Midway (MDW) - Austin (AUS)
Chicago Midway (MDW) - Dallas Love Field (DAL)
Chicago Midway (MDW) - Denver (DEN)
Chicago Midway (MDW) - Milwaukee (MKE)
Dallas Love Field (DAL) - Austin (AUS)
Dallas Love Field (DAL) - Denver (DEN)
Dallas Love Field (DAL) - San Diego (SAN)
Kansas City (MCI) - Las Vegas Harry Reid (LAS)
Louisville (SDF) - Dallas Love Field (DAL)
Milwaukee (MKE) - Austin (AUS)
Milwaukee (MKE) - Dallas Love Field (DAL)
Milwaukee (MKE) - Denver (DEN)
Montrose (MTJ) - Denver (DEN)
Nashville (BNA) - Luis Munoz Marin, San Juan (SJU)
New Orleans (MSY) - Austin (AUS)
New Orleans (MSY) - Dallas Love Field (DAL)
New Orleans (MSY) - Denver (DEN)
Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
San Antonio (SAT) - Dallas Love Field (DAL)
San Antonio (SAT) - San Diego (SAN)
San Jose (SJC) - Burbank (BUR)

All Southwest Airlines flights

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