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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 Dec. 22, 2025, 1:07 a.m.

Lastest Status

Scheduled On time
WN Flight Status
ATL
Departure
Atlanta Hartsfield-Jackson ATL Airport
Scheduled Departure:
07:10
Departure Terminal:
1 Gate None
Flight Status
Distance:
778.27 km / 483.59 miles or 420.23 nautical miles.
STL
Arrival
Lambert International Airport
Scheduled Arrival:
08:20
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

WN1721 Airports

Departures
  • Airport: Atlanta Hartsfield-Jackson ATL Airport, United States
  • ICAO Code: ATL
  • ATL Current time: 03:30 28-Dec-2025
Arrivals
  • Airport: Lambert International Airport, United States
  • ICAO Code: STL
  • STL Current time: 02:30 28-Dec-2025

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