Just launched: The brand new Plane Finder API
Explore Now
SWA

Southwest Airlines Flight WN421 SWA421

Service Type Passenger
Seats 175
Freight --
Capacity 8.7 tonnes

Upcoming Flights

Date Departing From To Arriving Aircraft Reg
15 Nov 2026
11:20 CST
United States Austin AUS
United States San Diego SAN
12:20 PST
73H Unknown Play
14 Nov 2026
13:25 CST
United States Austin AUS
United States San Diego SAN
14:25 PST
73H Unknown Play
13 Nov 2026
11:20 CST
United States Austin AUS
United States San Diego SAN
12:20 PST
73H Unknown Play
12 Nov 2026
11:20 CST
United States Austin AUS
United States San Diego SAN
12:20 PST
73H Unknown Play
11 Nov 2026
12:40 CST
United States Austin AUS
United States San Diego SAN
13:40 PST
7M8 Unknown Play
10 Nov 2026
12:40 CST
United States Austin AUS
United States San Diego SAN
13:40 PST
7M8 Unknown Play
9 Nov 2026
11:20 CST
United States Austin AUS
United States San Diego SAN
12:20 PST
73H Unknown Play
8 Nov 2026
11:20 CST
United States Austin AUS
United States San Diego SAN
12:20 PST
B738 N8602F Play

Past Flights

Date Departed From To Arrived Aircraft Reg
8 Aug 2025
12:50 PDT
United States San Francisco SFO
United States Austin AUS
19:08 CDT
B38M N8779Q Play
7 Aug 2025
12:35 PDT
United States San Francisco SFO
United States Austin AUS
19:21 CDT
B738 N8322X Play
6 Aug 2025
11:50 PDT
United States San Francisco SFO
United States Austin AUS
17:20 CDT
B737 N459WN Play
5 Aug 2025
11:55 PDT
United States San Francisco SFO
United States Austin AUS
18:31 CDT
B737 N7821L Play
4 Aug 2025
07:55 CDT
United States St. Louis STL
United States Savannah SAV
10:42 EDT
B737 N478WN Play
3 Aug 2025
12:10 CDT
United States St. Louis STL
United States Savannah SAV
15:50 EDT
B737 N288WN Play
2 Aug 2025
10:20 CDT
United States St. Louis STL
United States Savannah SAV
14:15 EDT
B737 N950WN Play
1 Aug 2025
07:50 CDT
United States St. Louis STL
United States Savannah SAV
11:03 EDT
B737 N257WN Play
31 Jul 2025
07:35 CDT
United States St. Louis STL
United States Savannah SAV
11:44 EDT
B737 N423WN Play
28 Jul 2025
07:55 CDT
United States St. Louis STL
United States Savannah SAV
11:54 EDT
B737 N465WN Play
27 Jul 2025
12:30 CDT
United States St. Louis STL
United States Savannah SAV
15:17 EDT
B737 N923WN Play
26 Jul 2025
10:35 CDT
United States St. Louis STL
United States Savannah SAV
13:26 EDT
B737 N943WN Play
25 Jul 2025
07:35 CDT
United States St. Louis STL
United States Savannah SAV
11:07 EDT
B737 N7860A Play
24 Jul 2025
08:00 CDT
United States St. Louis STL
United States Savannah SAV
10:58 EDT
B737 N486WN Play
21 Jul 2025
08:25 CDT
United States St. Louis STL
United States Savannah SAV
11:16 EDT
B737 N7847A Play
20 Jul 2025
12:30 CDT
United States St. Louis STL
United States Savannah SAV
15:56 EDT
B737 N231WN Play
19 Jul 2025
10:30 CDT
United States St. Louis STL
United States Savannah SAV
13:44 EDT
B737 N7848A Play
18 Jul 2025
07:45 CDT
United States St. Louis STL
United States Savannah SAV
10:39 EDT
B737 N966WN Play
17 Jul 2025
08:00 CDT
United States St. Louis STL
United States Savannah SAV
11:19 EDT
B737 N949WN Play
14 Jul 2025
08:05 CDT
United States St. Louis STL
United States Savannah SAV
12:02 EDT
B737 N456WN Play
13 Jul 2025
13:10 CDT
United States St. Louis STL
United States Savannah SAV
15:52 EDT
B737 N453WN Play
12 Jul 2025
10:25 CDT
United States St. Louis STL
United States Savannah SAV
13:28 EDT
B737 N7888A Play
11 Jul 2025
08:00 CDT
United States St. Louis STL
United States Savannah SAV
10:48 EDT
B737 N965WN Play
10 Jul 2025
08:10 CDT
United States St. Louis STL
United States Savannah SAV
11:00 EDT
B737 N219WN Play
7 Jul 2025
08:35 CDT
United States St. Louis STL
United States Savannah SAV
12:17 EDT
B737 N498WN Play
6 Jul 2025
12:25 CDT
United States St. Louis STL
United States Savannah SAV
15:46 EDT
B737 N7822A Play
5 Jul 2025
10:25 CDT
United States St. Louis STL
United States Savannah SAV
14:03 EDT
B737 N242WN Play
3 Jul 2025
08:05 CDT
United States St. Louis STL
United States Savannah SAV
11:26 EDT
B737 N254WN Play
30 Jun 2025
07:55 CDT
United States St. Louis STL
United States Savannah SAV
10:41 EDT
B737 N929WN Play
29 Jun 2025
12:25 CDT
United States St. Louis STL
United States Savannah SAV
16:02 EDT
B737 N268WN Play

Download our free app

Build with our flight data

Explore Plane Finder API