Flight

UAL1870 4 Apr 2026

UAL1870, operated by United Airlines, on 4 Apr 2026: Washington Dulles International (KIAD) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 3 Apr 2026All UAL1870 flights5 Apr 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKIAD WASHINGTON DULLES INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne22:53 EDT 3 Apr
Last seen21:04 PDT 3 Apr
Duration1h 10m
AircraftN849UA
Max altitude32,025 ft

Leg 2 of 2

PlaneTrack receiver network
Route? → KIAD WASHINGTON DULLES INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne05:37Z
Last seen06:42 EDT
Duration5h 04m
AircraftA12F07
Max altitude35,025 ft

Punctuality, last 30 days

Flights7
On time6 (86%)
Average delay+15 min
Worst delay+54 min

In the last 30 days UAL1870 departed on time (within 15 minutes) on 6 of 7 flights (86%), with an average departure delay of +15 min and a worst delay of +54 min.

UAL1870 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.