Flight

SWA3853 21 Sep 2026

SWA3853, operated by Southwest Airlines, on 21 Sep 2026: Baltimore Washington International (KBWI) to Buffalo Niagara International (KBUF), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 18 Sep 2026All SWA3853 flights22 Sep 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKBWI BALTIMORE WASHINGTON INTERNATIONAL → KBUF BUFFALO NIAGARA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne17:37 EDT
Last seen18:30 EDT
Duration0h 52m
AircraftN7721E
Max altitude24,000 ft
Distance tracked244 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKBUF BUFFALO NIAGARA INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:21 EDT
Last seen18:58 CDT
Duration0h 37m
AircraftN7721E
Max altitude34,000 ft
Distance tracked405 nm

Punctuality, last 30 days

Flights8
On time2 (25%)
Average delay-124 min
Worst delay+122 min

In the last 30 days SWA3853 departed on time (within 15 minutes) on 2 of 8 flights (25%), with an average departure delay of -124 min and a worst delay of +122 min.

SWA3853 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.