Flight

UAL2123 28 Feb 2026

UAL2123, operated by United Airlines, on 28 Feb 2026: Norman Y Mineta San Jose International (KSJC) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 27 Feb 2026All UAL2123 flights1 Mar 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKSJC NORMAN Y MINETA SAN JOSE INTERNATIONAL → KDEN DENVER INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne16:00 PST 27 Feb
Last seen19:14 MST 27 Feb
Duration2h 14m
AircraftN472UA
Max altitude37,100 ft
Distance tracked822 nm

Leg 2 of 2

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne21:15 MST 27 Feb
Last seen23:12 PST 27 Feb
Duration2h 56m
AircraftN75851
Max altitude36,000 ft
Distance tracked838 nm

Punctuality, last 30 days

Flights7
On time1 (14%)
Average delay+48 min
Worst delay+87 min

In the last 30 days UAL2123 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +48 min and a worst delay of +87 min.

UAL2123 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.