UA599 · UAL599

UAL599 over the last 30 days

As of 2026-10-27

UAL599 is operated by United Airlines on the route San Francisco International Airport (SFO/KSFO) → Washington Dulles International Airport (IAD/KIAD). It usually takes off around 15:35 UTC (08:35 local time, SFO). It usually lands around 20:22 UTC (16:22 local time, IAD). Most frequent aircraft type: BOEING 757-300 (B753).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

15:35 UTC · 08:35 local time (SFO)

Typical landing

20:22 UTC · 16:22 local time (IAD)

Typical time airborne

271 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

75 %

Departures measured

150

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 757-300 (B753) — Number of flights: 21
• BOEING 737-900 (B739) — Number of flights: 19
• BOEING 787-9 Dreamliner (B789) — Number of flights: 15

Aircraft in the last 7 days

• N34547 · AIRBUS A-321neo 2026-10-27
• N61109 · BOEING 787-9 Dreamliner 2026-10-27
• N24508 · AIRBUS A-321neo 2026-10-26
• N36962 · BOEING 787-9 Dreamliner 2026-10-26
• N94556 · AIRBUS A-321neo 2026-10-25
• N29907 · BOEING 787-8 Dreamliner 2026-10-25

Related flights on this route

• All flights KSFO – KIAD