WN
Southwest
WN633 · Boeing 737
SEA SFO
Sunday, October 18, 2026
Flight itinerary
Departure
14:45
Sunday, Oct 18, 2026
SEA
Seattle-Tacoma International Airport
⛅
Weather now
13°C · Partly Cloudy
5h 0m in the air
Non-stop flight
Arrival
19:45
Sunday, Oct 18, 2026
SFO
San Francisco International Airport
☀️
Weather now
13°C · Clear Sky
In-flight amenities
Wi-Fi
Power outlets
Meals served
Entertainment
Airline performance
77%
On-time rate
4.2
1,452 reviews
Boeing 737
Aircraft type
- Free 24h cancellation
- Instant confirmation
- Digital boarding pass
- 24/7 customer support