Flight

UAL1239 1 Oct 2026

UAL1239, operated by United Airlines, on 1 Oct 2026: Jacksonville International (KJAX) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 30 Sep 2026All UAL1239 flights2 Oct 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKJAX JACKSONVILLE INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL
StatusCompleted, departed on time (+9 min)
Scheduled departure09:40 EDT
Actual departure09:49 EDT on time
Actual arrival10:47 CDT
Duration1h 58m
AircraftN33292 B738
Max altitude36,000 ft
Distance tracked751 nm

Leg 2 of 2

FAA SWIM schedule
RouteKORD CHICAGO OHARE INTERNATIONAL → KROC GREATER ROCHESTER INTERNATIONAL
StatusCompleted, departure delayed +51 min
Scheduled departure13:50 CDT
Actual departure14:41 CDT delayed +51 min
Actual arrival16:53 EDT
Duration1h 12m
AircraftN17719 B737
Max altitude37,000 ft
Distance tracked457 nm

Punctuality, last 30 days

Flights14
On time5 (36%)
Average delay+56 min
Worst delay+173 min

In the last 30 days UAL1239 departed on time (within 15 minutes) on 5 of 14 flights (36%), with an average departure delay of +56 min and a worst delay of +173 min.

UAL1239 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.