Which airlines fly the Boeing 737 (all variants) from SFO to SEA?

See the operators list on this page — it is compiled from open ADS-B observed-flights data updated nightly. Operators with the most recent observations are listed first.

How often is the Boeing 737 (all variants) used on the SFO to SEA route?

Observed model variants and date ranges are listed below. Aircraft assignments can change seasonally; data refreshes nightly.

What is the typical schedule for Boeing 737 (all variants) flights from San Francisco to Seattle?

Schedules vary by operator. For live schedules and fares, search by aircraft on the FlightFinder home page.

Where does this data come from?

Operator and aircraft observations come from the adsb.lol open ADS-B network under the Open Database License. Data refreshes nightly.

San Francisco to Seattle on the Boeing 737 (all variants)

SFO → SEA · operated by the Boeing 737 (all variants)

Distance: 1,093 km (679 mi)
Est. flight time: ~1h 37m
Operators on Boeing 737 (all variants): 1
Observations (14 days): 3

Airlines operating the Boeing 737 (all variants) on SFO → SEA

Airline	Observations	First seen	Last seen
Alaska Airlines	3	2026-05-20	2026-05-20

About the Boeing 737 (all variants) on this route

The Boeing 737 (all variants) is used by 1 operator on San Francisco → Seattle.

For specifications, safety record, and global deployment data, see the Boeing 737 (all variants) family page or the Boeing 737 (all variants) safety record.

Other aircraft on the SFO–SEA route

Airbus A321 (all variants) — 1 observation
Airbus A319 — 1 observation
Airbus A330 (all variants) — 1 observation

Airport details

Departure: San Francisco International Airport (SFO)

City: San Francisco
Country: United States
IATA / ICAO: SFO / KSFO

Arrival: Seattle Tacoma International Airport (SEA)

City: Seattle
Country: United States
IATA / ICAO: SEA / KSEA

Frequently asked questions

Which airlines fly the Boeing 737 (all variants) on the SFO-SEA route?

Airlines observed operating the Boeing 737 (all variants) on SFO to SEA include: Alaska Airlines.

How often does the Boeing 737 (all variants) fly SFO-SEA?

The Boeing 737 (all variants) was observed 3 times on the SFO–SEA route in the last 14 days across 1 operator.

What's the distance from San Francisco to Seattle?

The great-circle distance from San Francisco (SFO) to Seattle (SEA) is approximately 1,093 km (679 miles). Estimated flight time is ~1h 37m.

What other aircraft fly the SFO-SEA route?

Other aircraft observed on SFO–SEA include: Airbus A321 (all variants), Airbus A319, Airbus A330 (all variants).

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