UA
United Airlines
UA621 · Boeing 777
SFO SEA
Tuesday, October 13, 2026
Flight itinerary
Departure
21:00
Tuesday, Oct 13, 2026
SFO
San Francisco International Airport
☀️
Weather now
29°C · Clear Sky
4h 0m in the air
Non-stop flight
Arrival
01:00
Wednesday, Oct 14, 2026 +0 day
SEA
Seattle-Tacoma International Airport
⛅
Weather now
17°C · Partly Cloudy
In-flight amenities
Wi-Fi
Power outlets
Meals served
Entertainment
Airline performance
96%
On-time rate
4.1
1,071 reviews
Boeing 777
Aircraft type
- Free 24h cancellation
- Instant confirmation
- Digital boarding pass
- 24/7 customer support