Flight

SWA3521 28 Aug 2026

SWA3521, operated by Southwest Airlines, on 28 Aug 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).

← 27 Aug 2026All SWA3521 flights31 Aug 2026 →

Flightestimated

PlaneTrack receiver network
RouteKSTL LAMBERT ST LOUIS INTERNATIONAL → KECP Northwest Florida Beaches International Airport
StatusCompleted (receiver network)
First seen airborne14:57 CDT
Last seen16:28 CDT
Duration1h 30m
AircraftN956WN
Max altitude42,900 ft
Distance tracked551 nm

Punctuality, last 30 days

Flights5
On time4 (80%)
Average delay-252 min
Worst delay+81 min

In the last 30 days SWA3521 departed on time (within 15 minutes) on 4 of 5 flights (80%), with an average departure delay of -252 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.