San Francisco to Seattle flights: who flies SFO-SEA

San Francisco to Seattle flight schedule

Scheduled nonstop departures for SFO to SEA starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from San Francisco (SFO) to Seattle (SEA)
Date	Flight	Airline	Departs SFO	Arrives SEA	Duration	Aircraft
Fri, Oct 23	AS 620	Alaska Airlines, Inc.	06:07	08:20	2h 13m	Boeing 737-900
Fri, Oct 23	DL 2721	Delta Air Lines	06:20	08:41	2h 21m	Airbus A220-300
Fri, Oct 23	UA 5790	United Airlines	07:36	10:03	2h 27m	Embraer E175
Fri, Oct 23	AS 1327	Alaska Airlines, Inc.	09:43	11:55	2h 12m	Boeing 737-900
Fri, Oct 23	UA 500	United Airlines	10:08	12:23	2h 15m	Airbus A320
Fri, Oct 23	DL 1134	Delta Air Lines	10:35	12:57	2h 22m	Airbus A220-300
Fri, Oct 23	AS 580	Alaska Airlines, Inc.	11:00	13:16	2h 16m	Boeing 737-900
Fri, Oct 23	UA 2744	United Airlines	12:03	14:22	2h 19m	Airbus A319
Fri, Oct 23	AS 656	Alaska Airlines, Inc.	13:51	16:04	2h 13m	Boeing 737 MAX 9
Fri, Oct 23	UA 5842	United Airlines	14:05	16:34	2h 29m	Embraer E175
Fri, Oct 23	DL 1412	Delta Air Lines	14:15	16:37	2h 22m	Airbus A220-300
Fri, Oct 23	AS 630	Alaska Airlines, Inc.	15:21	17:33	2h 12m	Boeing 737-900
Fri, Oct 23	AS 68	Alaska Airlines, Inc.	16:21	18:33	2h 12m	Boeing 737-900
Fri, Oct 23	UA 2279	United Airlines	16:25	18:44	2h 19m	Boeing 737 MAX 9
Fri, Oct 23	AS 1340	Alaska Airlines, Inc.	17:45	19:56	2h 11m	Boeing 737 MAX 9
Fri, Oct 23	DL 3707	Delta Air Lines	17:45	20:04	2h 19m	Embraer E175
Fri, Oct 23	UA 1097	United Airlines	18:35	21:01	2h 26m	Airbus A320
Fri, Oct 23	AS 591	Alaska Airlines, Inc.	19:11	21:25	2h 14m	Boeing 737-900
Fri, Oct 23	AS 758	Alaska Airlines, Inc.	20:46	23:03	2h 17m	Boeing 737-900
Fri, Oct 23	DL 3991	Delta Air Lines	20:58	23:13	2h 15m	Embraer E175
Fri, Oct 23	UA 1007	United Airlines	21:07	23:26	2h 19m	Boeing 737 MAX 8
Fri, Oct 23	UA 5579	United Airlines	22:45	01:15	2h 30m	Embraer E175
Sat, Oct 24	AS 620	Alaska Airlines, Inc.	06:07	08:20	2h 13m	Boeing 737-900
Sat, Oct 24	DL 2721	Delta Air Lines	06:20	08:41	2h 21m	Airbus A220-300
Sat, Oct 24	UA 5790	United Airlines	07:35	10:02	2h 27m	Embraer E175
Sat, Oct 24	AS 1327	Alaska Airlines, Inc.	09:43	11:55	2h 12m	Boeing 737-900
Sat, Oct 24	UA 500	United Airlines	10:05	12:20	2h 15m	Boeing 737-800
Sat, Oct 24	DL 3814	Delta Air Lines	10:31	12:55	2h 24m	Embraer E175
Sat, Oct 24	DL 1134	Delta Air Lines	10:35	12:57	2h 22m	Airbus A220-300
Sat, Oct 24	AS 580	Alaska Airlines, Inc.	11:00	13:16	2h 16m	Boeing 737-900
Sat, Oct 24	UA 2744	United Airlines	12:03	14:22	2h 19m	Airbus A319
Sat, Oct 24	AS 656	Alaska Airlines, Inc.	13:51	16:04	2h 13m	Boeing 737 MAX 9
Sat, Oct 24	DL 1412	Delta Air Lines	14:15	16:37	2h 22m	Airbus A220-300
Sat, Oct 24	AS 1646	Alaska Airlines, Inc.	15:18	17:33	2h 15m	Boeing 737-900
Sat, Oct 24	AS 630	Alaska Airlines, Inc.	15:21	17:33	2h 12m	Boeing 737-700
Sat, Oct 24	AS 68	Alaska Airlines, Inc.	16:21	18:33	2h 12m	Boeing 737-800
Sat, Oct 24	UA 2279	United Airlines	16:25	18:44	2h 19m	Boeing 737 MAX 9
Sat, Oct 24	AS 1340	Alaska Airlines, Inc.	17:45	19:56	2h 11m	Boeing 737-800
Sat, Oct 24	DL 3707	Delta Air Lines	17:45	20:04	2h 19m	Embraer E175
Sat, Oct 24	UA 1097	United Airlines	18:35	21:01	2h 26m	Airbus A320

Showing the first 40 of 159 scheduled SFO to SEA departures across 7 days with service, starting October 23, 2026. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every SFO to SEA date on the interactive map

Aircraft on the San Francisco to Seattle nonstop

In the schedule table on this page, Alaska Airlines flies the Boeing 737-900, the Boeing 737 MAX 9, the Boeing 737-800, and the Boeing 737-700, and United Airlines flies the Embraer E175, the Airbus A320, the Airbus A319, the Boeing 737 MAX 9, the Boeing 737 MAX 8, and the Boeing 737-800. The Aircraft column has the rest. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on SFO to SEA departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for San Francisco to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

In the 7 days to October 19, 2026, 2LNR checked award space on San Francisco to Seattle departures from October 19 to November 1. Alaska Airlines had space open on 13 of 14 dates checked and Delta Air Lines on 14 of 14.

See real availability

Confirmed upgrade or award seats by date on the SFO to SEA departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking.

Plan on the map

See SFO to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Francisco to Seattle nonstop

Carriers operating SFO to SEA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See SFO to SEA on the interactive map →

Frequently asked questions about SFO to SEA

How long is the flight from San Francisco (SFO) to Seattle (SEA)?

Scheduled flight times from San Francisco (SFO) to Seattle (SEA) run from 2h 11m to 2h 30m across the departures in the schedule table on this page. The nonstop covers about 679 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from SFO to SEA?

United Airlines, Alaska Airlines, and Delta Air Lines fly SFO to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines.

How many flights a week are there from SFO to SEA?

About 166 nonstop flights a week run between San Francisco (SFO) and Seattle (SEA) in the current schedule, operated by United Airlines, Alaska Airlines, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.

What time do flights from SFO to SEA depart?

Scheduled SFO to SEA nonstops in the next 7 days with service leave between 06:07 and 22:45, local time at San Francisco. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

Which flights operate SFO to SEA nonstop?

The schedule table on this page lists 24 flight numbers for SFO to SEA nonstops, including AS 580, AS 620, and AS 1327 on Alaska Airlines; UA 500, UA 2744, and UA 5790 on United Airlines; and DL 1134 and DL 2721 on Delta Air Lines. The table lists each departure by date with its times and aircraft.

How do I check upgrade or award availability on SFO to SEA?

Open the SFO to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.