Flight

UAL639 14 Sep 2026

UAL639, operated by United Airlines, on 14 Sep 2026. Scheduled and actual times are local to each airport (hover for UTC).

← 12 Sep 2026All UAL639 flights15 Sep 2026 →

Flightpartial

PlaneTrack receiver network
RouteKBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne21:12 EDT 13 Sep
AircraftN37514
Max altitude34,025 ft

Punctuality, last 30 days

Flights8
On time3 (38%)
Average delay-281 min
Worst delay+185 min

In the last 30 days UAL639 departed on time (within 15 minutes) on 3 of 8 flights (38%), with an average departure delay of -281 min and a worst delay of +185 min.

UAL639 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.