UA3819 · UAL3819

UAL3819 over the last 30 days

As of 2026-10-20

UAL3819 is operated by United Airlines on the route Washington Dulles International Airport (IAD/KIAD) → San Francisco International Airport (SFO/KSFO). Most frequent aircraft type: BOEING 777-300ER (B77W).

Days with an observed flight (last 30 days)

4/30

Days of the week with an observed flight

Sat

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

76 %

Departures measured

198

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 777-300ER (B77W) — Number of flights: 4

Related flights on this route

• All flights KIAD – KSFO