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.
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San Francisco International Airport
KSFOSFOSeattle–Tacoma International Airport
KSEASEA4
Operators26
Tracked Flights680
Miles1h 35m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| Alaska Airlines |
ASA
|
AS
|
| Delta Air Lines |
DAL
|
DL
|
| United |
UAL
|
UA
|
| SkyWest |
SKW
|
OO
|
| 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
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Alaska Airlines
ASA
/ AS
|
|
B738 | 06:00 6:00 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 16, 2026 | Active |
|
Delta Air Lines
DAL
/ DL
|
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 |
| 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).