Flight

UAL1233 21 Jun 2026

UAL1233, operated by United Airlines, on 21 Jun 2026: San Francisco International (KSFO) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 20 Jun 2026All UAL1233 flights22 Jun 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKSFO SAN FRANCISCO INTERNATIONAL → KDEN DENVER INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne06:15 PDT
Last seen09:42 MDT
Duration2h 27m
AircraftA0B849
Max altitude33,000 ft
Distance tracked838 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne11:38 MDT
Last seen16:58 EDT
Duration3h 19m
AircraftA24526
Max altitude35,000 ft
Distance tracked1,390 nm

Punctuality, last 30 days

Flights15
On time4 (27%)
Average delay+42 min
Worst delay+198 min

In the last 30 days UAL1233 departed on time (within 15 minutes) on 4 of 15 flights (27%), with an average departure delay of +42 min and a worst delay of +198 min.

UAL1233 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.