Southwest Airlines WN1521 Flight Status Tracker
WN1521 is a domestic flight operated by Southwest Airlines. WN1521 is departing from Denver (DEN), United States and arriving at San Antonio (SAT), United States. The flight distance is about 1277.86 km or 794.02 miles and flight time is 2 hours 25 minutes. Get the latest status of WN1521 / SWA1521 here.
Update on Feb. 12, 2026, 11:09 p.m.
Lastest Status
Scheduled On time
| DEN | SAT |
Distance: 1277.86 km / 794.02 miles or 689.99 nautical miles.
Departure Denver International Airport
Estimate Departure: 23:55
Scheduled Departure: 23:55
Departure Terminal : 1 Gate None
Arrival San Antonio International Airport
Scheduled Arrival: 05:25
Arrival Terminal : 2E Gate None
Flight WN1521 detail information
| Type | Domestic Flight |
| Route | Departure Denver (DEN), United States and arriving at San Antonio (SAT), United States |
| Airlines | Southwest Airlines (WN) |
| Aircraft | B738 |
| Flight Duration | 2 hours 25 minutes |
| Flight Distance | 1277.86 km /794.02 miles |
| Operating Days | Sunday |
Find more flight status
WN1521 Airports
| Departures |
|---|
| Airport: Denver International Airport, United States |
| ICAO Code: DEN |
| DEN Current time: 18:09 12-Feb-2026 |
| Arrivals |
| Airport: San Antonio International Airport, United States |
| ICAO Code: SAT |
| SAT Current time: 19:09 12-Feb-2026 |