Great-circle route SEA ↔ ANC. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| SEA → ANC Seattle to Anchorage |
155/wk | Daily | Alaska Airlines, Delta Air Lines |
| ANC → SEA Anchorage to Seattle |
— | — | Alaska Airlines, Delta Air Lines, Omni Air International |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 1,805,676 passengers on 13,650 flights between SEA and ANC — about 4,950 a day — filling 81% of the 2,235,417 seats flown. Alaska Airlines Inc. carried the most passengers (76%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
3 airlines fly the SEA–ANC nonstop, including Alaska Airlines, Delta Air Lines, Omni Air International.
Recent scheduled departures on this route have used the Boeing 737-900, Airbus A220-300, Boeing 737-700, Boeing 737-800 and 1 other types.
Aircraft assignments change by season and by time of day.
The distance between Seattle Tacoma International Airport and Ted Stevens Anchorage International Airport is 1,445 miles, or 2,325 kilometres.
| Great-circle distance | 1,445 mi |
| Kilometres | 2,325 km |
| Nautical miles | 1,256 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly the route nonstop, with about 155 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 3h 24m in the air. That is a great-circle estimate from the 1,445-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
Alaska Airlines, Delta Air Lines, Omni Air International.
In 2025, airlines reported 1,805,676 passengers on 13,650 scheduled flights between SEA and ANC — about 4,950 a day — filling 81% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737-900, Airbus A220-300, Boeing 737-700, Boeing 737-800. Assignments change by season and by time of day.
