Flight

UAL399 23 Jun 2026

UAL399, operated by United Airlines, on 23 Jun 2026. Scheduled and actual times are local to each airport (hover for UTC).

← 22 Jun 2026All UAL399 flights24 Jun 2026 →

Flightpartial

PlaneTrack receiver network
RouteKIAD WASHINGTON DULLES INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne20:42 EDT 22 Jun
AircraftN18112
Max altitude42,025 ft

Punctuality, last 30 days

Flights7
On time5 (71%)
Average delay+17 min
Worst delay+56 min

In the last 30 days UAL399 departed on time (within 15 minutes) on 5 of 7 flights (71%), with an average departure delay of +17 min and a worst delay of +56 min.

UAL399 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.