Flight

UAL1540 20 Dec 2025

UAL1540, operated by United Airlines, on 20 Dec 2025, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 19 Dec 2025All UAL1540 flights21 Dec 2025 →

Leg 1 of 2

PlaneTrack receiver network
Route? → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne00:00Z
Last seen19:42 PST 19 Dec
Duration3h 41m
AircraftN464UA
Max altitude36,025 ft

Leg 2 of 2partial

PlaneTrack receiver network
RouteRoute not recorded
StatusPartial record (receiver network)
First seen airborne04:06Z
AircraftN464UA
Max altitude32,050 ft

Punctuality, last 30 days

Flights8
On time8 (100%)
Average delay+6 min
Worst delay+13 min

In the last 30 days UAL1540 departed on time (within 15 minutes) on 8 of 8 flights (100%), with an average departure delay of +6 min and a worst delay of +13 min.

UAL1540 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.