Southwest Airlines flight WN 3721: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 06:20 Louisville (SDF) 06:35 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2024-07-05
Sun 06:30 San Diego (SAN) 1 12:35 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-800 (73H) 4:05 Effective 2024-06-09 through 2024-08-04
Mon,Thu,Fri 06:45 San Diego (SAN) 1 12:45 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-800 (73H) 4:00 Effective 2024-06-06 through 2024-07-01
Mon,Thu,Fri 06:45 San Diego (SAN) 1 12:45 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-800 (73H) 4:00 Effective 2024-07-08 through 2024-08-02
Thu 06:50 San Diego (SAN) 1 12:50 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-700 (73W) 4:00 Operates only on 2024-07-04
Tue,Wed 07:40 San Diego (SAN) 1 13:35 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-800 (73H) 3:55 Effective 2024-06-04 through 2024-07-31
Tue,Wed 10:35 O'Hare, Chicago (ORD) 5 12:45 HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
WN 3721 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2024-01-09 through 2024-03-06
Sat 17:25 O'Hare, Chicago (ORD) 5 19:35 HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
WN 3721 Non-stop Boeing 737-700 (73W) 4:10 Effective 2024-01-13 through 2024-03-02
Sun 18:05 Atlanta (ATL) N 19:25 Austin (AUS)
WN 3721 Non-stop Boeing 737-700 (73W) 2:20 Effective 2024-08-11 through 2024-08-25
Sun 18:05 Atlanta (ATL) N 19:25 Austin (AUS)
WN 3721 Non-stop Boeing 737-700 (73W) 2:20 Effective 2024-09-08 through 2024-09-29
Sat 18:30 San Diego (SAN) 1 00:25 Midway, Chicago (MDW)
WN 3721 Non-stop Boeing 737-700 (73W) 3:55 Effective 2024-06-08 through 2024-08-03
The flight arrives 1 day after departure.
Mon,Thu,Fri 19:15 Atlanta (ATL) N 20:35 Austin (AUS)
WN 3721 Non-stop Boeing 737-700 (73W) 2:20 Effective 2024-08-05 through 2024-09-30
Sun 19:20 O'Hare, Chicago (ORD) 5 21:25 HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
WN 3721 Non-stop Boeing 737-700 (73W) 4:05 Effective 2024-01-14 through 2024-03-03
Sun 19:40 Atlanta (ATL) N 21:00 Austin (AUS)
WN 3721 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2024-09-01
Tue,Wed 20:35 Atlanta (ATL) N 21:55 Austin (AUS)
WN 3721 Non-stop Boeing 737-700 (73W) 2:20 Effective 2024-08-06 through 2024-10-02
Mon,Sun 20:55 Los Angeles (LAX) 1 23:15 Sky Harbor, Phoenix (PHX) 4
WN 3721 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2024-01-01
Wed-Fri,Sun 20:55 Los Angeles (LAX) 1 23:15 Sky Harbor, Phoenix (PHX) 4
WN 3721 Non-stop Boeing 737-700 (73W) 1:20 Effective 2024-01-03 through 2024-01-07
Sun 21:40 Tampa (TPA) 23:05 William P. Hobby, Houston (HOU)
WN 3721 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2024-03-10 through 2024-04-07
Sun 22:05 HARRY REID INTL AIRPORT, Las Vegas (LAS) 1 00:10 Sky Harbor, Phoenix (PHX) 4
WN 3721 Non-stop Boeing 737-700 (73W) 1:05 Effective 2024-01-14 through 2024-03-03
The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 19:20 O'Hare, Chicago (ORD) 5 00:10 Sky Harbor, Phoenix (PHX) 4
WN 3721 1-stop Boeing 737-700 (73W) 5:50 Effective 2024-01-14 through 2024-03-03
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3721: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3721
06:20
Louisville (SDF)

06:35
Midway, Chicago (MDW)
Operates only on 2024-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3721
06:30
San Diego (SAN) 1

12:35
Midway, Chicago (MDW)
Effective 2024-06-09 through 2024-08-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3721
06:45
San Diego (SAN) 1

12:45
Midway, Chicago (MDW)
Effective 2024-06-06 through 2024-07-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3721
06:45
San Diego (SAN) 1

12:45
Midway, Chicago (MDW)
Effective 2024-07-08 through 2024-08-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3721
06:50
San Diego (SAN) 1

12:50
Midway, Chicago (MDW)
Operates only on 2024-07-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
07:40
San Diego (SAN) 1

13:35
Midway, Chicago (MDW)
Effective 2024-06-04 through 2024-07-31
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3721
10:35
O'Hare, Chicago (ORD) 5

12:45
HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
Effective 2024-01-09 through 2024-03-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3721
17:25
O'Hare, Chicago (ORD) 5

19:35
HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
Effective 2024-01-13 through 2024-03-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
18:05
Atlanta (ATL) N

19:25
Austin (AUS)
Effective 2024-08-11 through 2024-08-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
18:05
Atlanta (ATL) N

19:25
Austin (AUS)
Effective 2024-09-08 through 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
18:30
San Diego (SAN) 1

00:25(+1)
Midway, Chicago (MDW)
Effective 2024-06-08 through 2024-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3721
19:15
Atlanta (ATL) N

20:35
Austin (AUS)
Effective 2024-08-05 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
19:20
O'Hare, Chicago (ORD) 5

21:25
HARRY REID INTL AIRPORT, Las Vegas (LAS) 1
Effective 2024-01-14 through 2024-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
19:40
Atlanta (ATL) N

21:00
Austin (AUS)
Operates only on 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
20:35
Atlanta (ATL) N

21:55
Austin (AUS)
Effective 2024-08-06 through 2024-10-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
20:55
Los Angeles (LAX) 1

23:15
Sky Harbor, Phoenix (PHX) 4
Valid until 2024-01-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
20:55
Los Angeles (LAX) 1

23:15
Sky Harbor, Phoenix (PHX) 4
Effective 2024-01-03 through 2024-01-07
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3721
21:40
Tampa (TPA)

23:05
William P. Hobby, Houston (HOU)
Effective 2024-03-10 through 2024-04-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3721
22:05
HARRY REID INTL AIRPORT, Las Vegas (LAS) 1

00:10(+1)
Sky Harbor, Phoenix (PHX) 4
Effective 2024-01-14 through 2024-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3721
19:20
O'Hare, Chicago (ORD) 5

00:10(+1)
Sky Harbor, Phoenix (PHX) 4
Effective 2024-01-14 through 2024-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:50, 1-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Austin (AUS)
  • HARRY REID INTL AIRPORT, Las Vegas (LAS) - Sky Harbor, Phoenix (PHX)
  • Los Angeles (LAX) - Sky Harbor, Phoenix (PHX)
  • Louisville (SDF) - Midway, Chicago (MDW)
  • O'Hare, Chicago (ORD) - HARRY REID INTL AIRPORT, Las Vegas (LAS)
  • O'Hare, Chicago (ORD) - Sky Harbor, Phoenix (PHX)
  • San Diego (SAN) - Midway, Chicago (MDW)
  • Tampa (TPA) - William P. Hobby, Houston (HOU)
All Southwest Airlines flights
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