Flight

SKW4039 12 Sep 2026

SKW4039, operated by SkyWest Airlines, on 12 Sep 2026: Seattle Tacoma International (KSEA) to Boeing Fld King Co International (KBFI). Scheduled and actual times are local to each airport (hover for UTC).

← 11 Sep 2026All SKW4039 flights13 Sep 2026 →

Flightestimated

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KBFI BOEING FLD KING CO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:55 PDT 11 Sep
Last seen21:00 PDT 11 Sep
Duration1h 04m
AircraftN256SY
Max altitude35,000 ft
Distance tracked4 nm

Punctuality, last 30 days

Flights8
On time1 (12%)
Average delay+35 min
Worst delay+70 min

In the last 30 days SKW4039 departed on time (within 15 minutes) on 1 of 8 flights (12%), with an average departure delay of +35 min and a worst delay of +70 min.

SKW4039 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.