Flight

UAL2121 5 Apr 2026

UAL2121, operated by United Airlines, on 5 Apr 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 4 Apr 2026All UAL2121 flights6 Apr 2026 →

Leg 1 of 3partial

PlaneTrack receiver network
RouteRoute not recorded
StatusPartial record (receiver network)
First seen airborne00:00Z
AircraftN61882
Max altitude35,025 ft

Leg 2 of 3

PlaneTrack receiver network
Route? → KDEN DENVER INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:30Z
Last seen16:18 MDT
Duration2h 47m
AircraftN460UA
Max altitude35,000 ft

Leg 3 of 3estimated

PlaneTrack receiver network
RouteRoute not recorded
StatusCompleted (receiver network)
First seen airborne23:27Z
Last seen23:58Z
Duration0h 30m
AircraftN68823
Max altitude26,525 ft

Punctuality, last 30 days

Flights7
On time6 (86%)
Average delay-1204 min
Worst delay+37 min

In the last 30 days UAL2121 departed on time (within 15 minutes) on 6 of 7 flights (86%), with an average departure delay of -1204 min and a worst delay of +37 min.

UAL2121 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.