UA499 · UAL499

UAL499 over the last 30 days

As of 2026-10-29

UAL499 is operated by United Airlines on the route Seattle–Tacoma International Airport (SEA/KSEA) → San Francisco International Airport (SFO/KSFO). It usually takes off around 14:35 UTC (07:35 local time, SEA). It usually lands around 16:13 UTC (09:13 local time, SFO). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

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

14:35 UTC · 07:35 local time (SEA)

Typical landing

16:13 UTC · 09:13 local time (SFO)

Typical time airborne

102 min

Median departure deviation from the usual time on this route

+6 min

Departures within 15 minutes of the usual time

64 %

Departures measured

84

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 737 MAX 8 (B38M) — Number of flights: 45
• BOEING 737 MAX 9 (B39M) — Number of flights: 23
• AIRBUS A-319 (A319) — Number of flights: 7

Aircraft in the last 7 days

• N27283 · BOEING 737 MAX 8 2026-10-29
• N47281 · BOEING 737 MAX 8 2026-10-29
• N477UA · AIRBUS A-320 2026-10-28
• N832UA · AIRBUS A-319 2026-10-28
• N37297 · BOEING 737 MAX 8 2026-10-27
• N27539 · BOEING 737 MAX 9 2026-10-27

Related flights on this route

• All flights KSEA – KSFO