Flight

SWA3957 14 Jun 2026

SWA3957, operated by Southwest Airlines, on 14 Jun 2026: Lambert St Louis International (KSTL) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).

← 13 Jun 2026All SWA3957 flights15 Jun 2026 →

Flight

PlaneTrack receiver network
RouteKSTL LAMBERT ST LOUIS INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne20:48 CDT 13 Jun
Last seen21:34 CDT 13 Jun
Duration0h 45m
AircraftN8559Q
Max altitude27,000 ft
Distance tracked218 nm

Punctuality, last 30 days

Flights4
On time3 (75%)
Average delay+23 min
Worst delay+71 min

In the last 30 days SWA3957 departed on time (within 15 minutes) on 3 of 4 flights (75%), with an average departure delay of +23 min and a worst delay of +71 min.

SWA3957 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.