Flight

UAL1831 26 Sep 2026

UAL1831, operated by United Airlines, on 26 Sep 2026: The William B Hartsfield Atlanta International (KATL) to Washington Dulles International (KIAD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 25 Sep 2026All UAL1831 flights27 Sep 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL
StatusCompleted, departure delayed +65 min
Scheduled departure14:40 EDT
Actual departure15:45 EDT delayed +65 min
Actual arrival17:06 EDT
Duration1h 21m
AircraftN78509 B738

Leg 2 of 2

FAA SWIM schedule
RouteKIAD WASHINGTON DULLES INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL
StatusNo departure recorded
Scheduled departure17:30 EDT

Punctuality, last 30 days

Flights15
On time2 (13%)
Average delay+41 min
Worst delay+92 min

In the last 30 days UAL1831 departed on time (within 15 minutes) on 2 of 15 flights (13%), with an average departure delay of +41 min and a worst delay of +92 min.

UAL1831 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.