Flight

SWA429 21 Dec 2025

SWA429, operated by Southwest Airlines, on 21 Dec 2025: Chicago Midway International (KMDW) to Boeing Fld King Co International (KBFI), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 20 Dec 2025All SWA429 flights22 Dec 2025 →

Leg 1 of 2

PlaneTrack receiver network
RouteKMDW CHICAGO MIDWAY INTERNATIONAL → KBFI BOEING FLD KING CO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:50 CST 20 Dec
Last seen22:30 PST 20 Dec
Duration4h 39m
AircraftN8507C
Max altitude34,000 ft
Distance tracked1,502 nm

Leg 2 of 2estimated

PlaneTrack receiver network
Route? → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne06:50Z
Last seen17:36 CST
Duration16h 45m
AircraftN8507C
Max altitude37,025 ft

Punctuality, last 30 days

Flights9
On time4 (44%)
Average delay+24 min
Worst delay+69 min

In the last 30 days SWA429 departed on time (within 15 minutes) on 4 of 9 flights (44%), with an average departure delay of +24 min and a worst delay of +69 min.

SWA429 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.