Flight

UAL1835 15 Dec 2025

UAL1835, operated by United Airlines, on 15 Dec 2025: Seattle Tacoma International (KSEA) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 14 Dec 2025All UAL1835 flights16 Dec 2025 →

Leg 1 of 2

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KDEN DENVER INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne16:00 PST 14 Dec
Last seen19:06 MST 14 Dec
Duration2h 05m
AircraftN37253
Max altitude37,025 ft
Distance tracked888 nm

Leg 2 of 2partial

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne22:16 MST 14 Dec
AircraftN68834
Max altitude36,000 ft
Distance tracked740 nm

Punctuality, last 30 days

Flights13
On time3 (23%)
Average delay-185 min
Worst delay+78 min

In the last 30 days UAL1835 departed on time (within 15 minutes) on 3 of 13 flights (23%), with an average departure delay of -185 min and a worst delay of +78 min.

UAL1835 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.