Flight

UAL4209 30 Sep 2026

UAL4209, operated by United Airlines, on 30 Sep 2026: Boeing Fld King Co International (KBFI) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).

← 26 Sep 2026All UAL4209 flights

Flight

FAA SWIM schedule
RouteKBFI BOEING FLD KING CO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted, departure delayed +23 min
Scheduled departure11:00 PDT
Actual departure11:23 PDT delayed +23 min
Actual arrival12:25 PDT
Duration1h 02m
AircraftN17482 B39M
Max altitude34,000 ft
Distance tracked4 nm

Punctuality, last 30 days

Flights2
On time0 (0%)
Average delay+41 min
Worst delay+59 min

In the last 30 days UAL4209 departed on time (within 15 minutes) on 0 of 2 flights (0%), with an average departure delay of +41 min and a worst delay of +59 min.

UAL4209 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.