Seattle (SEA) to Sitka (SIT)
Flight time
≈ 2h 31m
Bearing
325° NW
Seattle (SEA) to Sitka (SIT) is 860 miles (1,384 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SEA–SIT
US DOT T-100 · filed dataIn January 2026, Alaska Airlines was the only carrier flying nonstop SEA–SIT; the Boeing 737-800 was the most common aircraft at 56% of departures; flights ran 65% full.
Departures
9
January 2026
Seats
1,301
both directions
Passengers
848
both directions
Load factor
65.2%
passengers ÷ seats
Who flies SEA–SIT?
Alaska Airlines was the only carrier to fly nonstop SEA–SIT in January 2026 (9 departures).
- AS
Alaska Airlines
9 departures · 1,301 seats
Share of departures100.0%65.2%
Load
What plane flies SEA–SIT?
In January 2026, the Boeing 737-800 flew 56% of SEA–SIT departures — more than any other aircraft type.
- Boeing 737-800
5 departures · 74.8% load
55.6% - Boeing 737-700
4 departures · 49.6% load
44.4%
How has SEA–SIT traffic changed?
Nonstop SEA–SIT departures fell from 69 in May 2025 to 9 in January 2026.
Monthly nonstop SEA–SIT traffic, trailing 12 months through January 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
69 departures · 6,216 passengers
52.8%
Load
June 2025
121 departures · 15,028 passengers
71.6%
Load
July 2025
121 departures · 16,213 passengers
76.3%
Load
August 2025
99 departures · 14,874 passengers
84.4%
Load
September 2025
62 departures · 6,370 passengers
58.7%
Load
October 2025
6 departures · 412 passengers
40.0%
Load
November 2025
1 departures · 55 passengers
44.4%
Load
December 2025
3 departures · 363 passengers
85.2%
Load
January 2026
9 departures · 848 passengers
65.2%
Load
By direction
The DOT files each direction separately — they rarely match.
SIT → SEA
56.6% full
5 departures · 393 passengers
SEA → SIT
75.0% full
4 departures · 455 passengers
Nonstop SEA–SIT traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through January 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Seattle (SEA) from Sitka (SIT)?
SEA to SIT is 860 miles (1,384 km / 747 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SEA to SIT?
A nonstop covers the 860-mile great-circle distance in roughly 2h 31m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SEA–SIT?
In January 2026, the Boeing 737-800 flew the largest share of departures (55.6%), followed by the Boeing 737-700 (44.4%).
What mileage do I earn flying SEA–SIT?
Distance-based programs credit off the 860-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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