Southwest Airlines WN1721 Flight Status Tracker
WN1721 is a domestic flight operated by Southwest Airlines. WN1721 is departing from Atlanta (ATL), United States and arriving at St Louis (STL), United States. The flight distance is about 778.27 km or 483.59 miles and flight time is 2 hours 50 minutes. Get the latest status of WN1721 / SWA1721 here.
Update on Feb. 14, 2026, 4:05 a.m.
Lastest Status
Arrived Delayed by 27m
| ATL | STL |
Distance: 778.27 km / 483.59 miles or 420.23 nautical miles.
Departure Atlanta Hartsfield-Jackson ATL Airport
Actual Departure: 17:21
Scheduled Departure: 16:50
Departure Terminal : 1 Gate None
Arrival Lambert International Airport
Actual Arrival: 18:27
Scheduled Arrival: 18:00
Arrival Terminal : N/A Gate None
Flight WN1721 detail information
| Type | Domestic Flight |
| Route | Departure Atlanta (ATL), United States and arriving at St Louis (STL), United States |
| Airlines | Southwest Airlines (WN) |
| Aircraft | B737 |
| Flight Duration | 2 hours 50 minutes |
| Flight Distance | 778.27 km /483.59 miles |
| Operating Days | Sunday |
Find more flight status
WN1721 Airports
| Departures |
|---|
| Airport: Atlanta Hartsfield-Jackson ATL Airport, United States |
| ICAO Code: ATL |
| ATL Current time: 00:33 14-Feb-2026 |
| Arrivals |
| Airport: Lambert International Airport, United States |
| ICAO Code: STL |
| STL Current time: 23:33 13-Feb-2026 |