Flight

UAL2121 4 Sep 2026

UAL2121, operated by United Airlines, on 4 Sep 2026: Denver International (KDEN) to Gerald R Ford International (KGRR). Scheduled and actual times are local to each airport (hover for UTC).

← 3 Sep 2026All UAL2121 flights5 Sep 2026 →

Flightestimated

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → KGRR GERALD R FORD INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:24 MDT 3 Sep
Last seen23:18 EDT 3 Sep
Duration1h 53m
AircraftN69847
Max altitude33,000 ft
Distance tracked879 nm

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.