🇺🇸 SFO
San Francisco
680 mi
SEA 🇺🇸
Seattle

San Francisco to Seattle Flights

San Francisco International Airport Seattle–Tacoma International Airport 4 airlines

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The San Francisco to Seattle route connects San Francisco International Airport (SFO) in US with Seattle–Tacoma International Airport (SEA) in US. This short-haul flight covers approximately 680 miles (1094 km) with a typical flight time of 1h 35m. This route is served by 4 airlines: Alaska Airlines, Delta Air Lines, United and others. AirportRoutes has tracked 26 unique flight numbers on this route.

Airport Information

Departure Airport

San Francisco International Airport

ICAO Code:
KSFO
IATA Code:
SFO
City:
🇺🇸 San Francisco
Country:
US
Elevation:
13 ft

Destination Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Route Statistics

4

Operators

26

Tracked Flights

680

Miles

1h 35m

Flight Duration

Route Map

Great Circle
Flight route map from San Francisco to Seattle

Operating Airlines

Airline ICAO IATA
Alaska Airlines ASA AS
Delta Air Lines DAL DL
United UAL UA
SkyWest SKW OO

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 40 12%
Tuesday 47 15%
Wednesday 45 14%
Thursday 65 20%
Friday 35 11%
Saturday 48 15%
Sunday 42 13%

Pattern Analysis

26 Tracked Flights:
Data Points: 322
API observations used to build this analysis
Weekdays: 232 flights
Weekend: 90 flights
Business Route More active on weekdays

All Flight Routes

4 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B738 06:00 6:00 AM (Representative)
M T W T F S S
Jun 16, 2026 Active
BCS3 05:55 5:55 AM (Representative)
M T W T F S S
Jun 16, 2026 Active
SkyWest
SKW / OO
E75L 22:59 10:59 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
United
UAL / UA
A320 10:15 10:15 AM (Representative)
M T W T F S S
Jun 16, 2026 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
05:55 5:55 AM Delta Air Lines DAL DL
06:00 6:00 AM Alaska Airlines ASA AS
10:15 10:15 AM United UAL UA
22:59 10:59 PM SkyWest SKW OO

Time Information

Times are shown in the departure airport's local timezone (KSFO - America/Los_Angeles).

Total Departure Times: 4
Time Range:
05:55 - 22:59
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.