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
19 Apr 2025
18:25 EDT
United States Fort Lauderdale FLL
United States Milwaukee MKE
05:46 CDT
B38M N8731J Play
14 Apr 2025
21:05 EDT
United States Fort Lauderdale FLL
United States Milwaukee MKE
07:16 CDT
B737 N208WN Play
12 Apr 2025
19:15 EDT
United States Fort Lauderdale FLL
United States Milwaukee MKE
05:48 CDT
B738 N8681M Play
7 Apr 2025
07:20 CDT
United States Little Rock LIT
United States Dallas DAL
13:46 CDT
B737 N7720F Play
6 Apr 2025
06:50 MDT
United States Denver DEN
United States St. Louis STL
10:45 CDT
B737 N482WN Play
5 Apr 2025
05:30 MDT
United States Denver DEN
United States St. Louis STL
09:50 CDT
B38M N8846Q Play
4 Apr 2025
07:20 CDT
United States Little Rock LIT
United States Dallas DAL
14:40 CDT
B737 N955WN Play
3 Apr 2025
06:10 MDT
United States Denver DEN
United States Dallas DAL
14:14 CDT
B737 N214WN Play
2 Apr 2025
05:35 MDT
United States Denver DEN
United States Baltimore BWI
15:00 EDT
B737 N7855A Play
1 Apr 2025
05:25 MDT
United States Denver DEN
United States Baltimore BWI
14:44 EDT
B737 N439WN Play
31 Mar 2025
07:10 CDT
United States Little Rock LIT
United States Dallas DAL
13:23 CDT
B737 N915WN Play
30 Mar 2025
07:05 MDT
United States Denver DEN
United States St. Louis STL
10:44 CDT
B737 N7721E Play
29 Mar 2025
05:25 MDT
United States Denver DEN
United States St. Louis STL
09:32 CDT
B738 N8605E Play
28 Mar 2025
06:15 MDT
United States Denver DEN
United States Dallas DAL
13:58 CDT
B737 N7875A Play
27 Mar 2025
07:10 CDT
United States Little Rock LIT
United States Dallas DAL
13:43 CDT
B737 N417WN Play
26 Mar 2025
05:35 MDT
United States Denver DEN
United States Baltimore BWI
14:23 EDT
B737 N7726A Play
25 Mar 2025
05:25 MDT
United States Denver DEN
United States Baltimore BWI
14:18 EDT
B737 N7873A Play
24 Mar 2025
07:20 CDT
United States Little Rock LIT
United States Dallas DAL
12:40 CDT
B737 N7727A Play
23 Mar 2025
06:55 MDT
United States Denver DEN
United States St. Louis STL
10:43 CDT
B737 N7742B Play
22 Mar 2025
05:20 MDT
United States Denver DEN
United States St. Louis STL
10:02 CDT
B38M N8746Q Play
21 Mar 2025
07:10 CDT
United States Little Rock LIT
United States Dallas DAL
12:43 CDT
B737 N7826B Play
20 Mar 2025
12:00 MDT
United States Denver DEN
United States Baltimore BWI
23:10 EDT
ZVEH Unknown Play
20 Mar 2025
06:15 MDT
United States Denver DEN
United States Dallas DAL
12:50 CDT
B737 N282WN Play
19 Mar 2025
10:45 MDT
United States Denver DEN
United States Baltimore BWI
11:09 EDT
ZVEH Unknown Play
19 Mar 2025
05:35 MDT
United States Denver DEN
United States Baltimore BWI
14:22 EDT
B737 N464WN Play
18 Mar 2025
09:55 MDT
United States Denver DEN
United States Baltimore BWI
11:14 EDT
ZVEH Unknown Play
18 Mar 2025
07:35 EDT
United States Pittsburgh PIT
United States Baltimore BWI
13:13 EDT
B737 N7878A Play
17 Mar 2025
10:30 CDT
United States Little Rock LIT
United States Dallas DAL
13:44 CDT
B737 N929WN Play
17 Mar 2025
06:15 MDT
United States Denver DEN
United States Dallas DAL
10:23 CDT
B737 N253WN Play
16 Mar 2025
06:40 MDT
United States Denver DEN
United States St. Louis STL
10:40 CDT
B738 N8670A Play

Download our free app

Build with our flight data

Explore Plane Finder API