Oakland (OAK) to Seattle (SEA) flights

Southwest Airlines, Alaska Airlines fly nonstop from Oakland San Francisco Bay Airport to Seattle-Tacoma International Airport, with about 48 flights a week in July 2026. The 672-mile flight takes about 2h 3m gate to gate.

From
OAK
Oakland
Oakland San Francisco Bay Airport
To
SEA
Seattle
Seattle-Tacoma International Airport
Distance
672 mi · 1,081 km
Flight time
2h 3m
Airlines
2
Seats filled
80%
Flights a week, July 2026
2,341 flights and 265,652 passengers in 12 months
SEASEAOAK
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying OAK to SEA

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines26Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800136,2772h 0m
Alaska Airlines21Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-80093,6502h 6m
Horizon AirSeasonal or endedn/aEmbraer E17533,0572h 4m
SkyWest AirlinesSeasonal or endedn/aEmbraer E1752,6682h 3m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

OAK to SEA flight schedule

19 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 5:45am and the last at 10:05pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 2887Southwest Airlines5:45am7:50am11100%
WN 1921Southwest Airlines6:10am8:15am4n/a
AS 491Alaska Airlines6:22am8:26am1893%
WN 3262Southwest Airlines6:30am8:35am1292%
WN 4506Southwest Airlines9:40am11:50am1225%
WN 872Southwest Airlines9:40am11:50am4n/a
AS 735Alaska Airlines10:07am12:17pm1385%
AS 705Alaska Airlines10:22am12:26pm2987%
WN 343Southwest Airlines1:30pm3:30pm8n/a
WN 1795Southwest Airlines2:05pm4:05pm4n/a
AS 536Alaska Airlines2:11pm4:21pm1385%
AS 1464Alaska Airlines2:55pm5:00pm1760%
WN 2748Southwest Airlines3:25pm5:35pm1275%
WN 4299Southwest Airlines4:15pm6:20pm4n/a
WN 4412Southwest Airlines6:05pm8:15pm8n/a
WN 4300Southwest Airlines6:40pm8:45pm4n/a
WN 2222Southwest Airlines7:05pm9:15pm1225%
AS 1359Alaska Airlines7:51pm10:00pm1672%
WN 2225Southwest Airlines10:05pm12:10am4n/a

Is OAK to SEA on time?

From September 2025 to August 2026, 78% of 2,304 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 9pm the least (58%). Most delay time was caused by late-arriving aircraft (47%).

AirlineFlightsOn timeAverage delayCancelled
Alaska Airlines1,21481%10 min1.6%
Southwest Airlines1,09074%14 min0.3%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
5am to 6am69
97%
6am to 7am407
93%
7am to 8am88
93%
9am to 10am197
76%
10am to 11am187
81%
11am to 12pm235
86%
12pm to 1pm47
89%
1pm to 2pm90
76%
2pm to 3pm196
73%
3pm to 4pm58
70%
5pm to 6pm115
70%
6pm to 7pm168
67%
7pm to 8pm112
53%
8pm to 9pm112
67%
9pm to 10pm120
58%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025272
31,758
September 2025256
26,323
October 2025225
23,718
November 2025188
20,017
December 2025182
20,673
January 2026165
17,625
February 2026160
17,519
March 2026150
16,212
April 2026152
16,382
May 2026176
19,579
June 2026205
27,133
July 2026211
28,723

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.