Flight

SWA3521 28 Sep 2026

SWA3521, operated by Southwest Airlines, on 28 Sep 2026: Lambert St Louis International (KSTL) to Northwest Florida Beaches International Airport (KECP). Scheduled and actual times are local to each airport (hover for UTC).

← 25 Sep 2026All SWA3521 flights29 Sep 2026 →

Flight

FAA SWIM schedule
RouteKSTL LAMBERT ST LOUIS INTERNATIONAL → KECP Northwest Florida Beaches International Airport
StatusCompleted, departed on time (+12 min)
Scheduled departure14:50 CDT
Actual departure15:02 CDT on time
Actual arrival16:23 CDT
Duration1h 21m
AircraftN7732A B737
Max altitude41,000 ft
Distance tracked551 nm

Punctuality, last 30 days

Flights5
On time3 (60%)
Average delay+29 min
Worst delay+81 min

In the last 30 days SWA3521 departed on time (within 15 minutes) on 3 of 5 flights (60%), with an average departure delay of +29 min and a worst delay of +81 min.

SWA3521 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.