Flight

SWA3964 12 May 2026

SWA3964, operated by Southwest Airlines, on 12 May 2026: Lambert St Louis International (KSTL) to Chicago Midway International (KMDW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 11 May 2026All SWA3964 flights19 May 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKSTL LAMBERT ST LOUIS INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne10:31 CDT
Last seen11:12 CDT
Duration0h 40m
AircraftN8515X
Max altitude27,000 ft
Distance tracked218 nm

Leg 2 of 2

PlaneTrack receiver network
RouteKMDW CHICAGO MIDWAY INTERNATIONAL → KHOU WILLIAM P HOBBY
StatusCompleted (receiver network)
First seen airborne12:18 CDT
Last seen14:28 CDT
Duration2h 09m
AircraftN8515X
Max altitude40,000 ft
Distance tracked815 nm

Punctuality, last 30 days

Flights3
On time1 (33%)
Average delay+22 min
Worst delay+26 min

In the last 30 days SWA3964 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +22 min and a worst delay of +26 min.

SWA3964 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.