Anchorage (ANC) to Seattle (SEA)
Flight time
≈ 3h 41m
Bearing
118° SE
Anchorage (ANC) to Seattle (SEA) is 1,445 miles (2,326 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ANC–SEA
US DOT T-100 · filed dataIn April 2026, Alaska Airlines operated the most departures, one of 3 carriers flying nonstop ANC–SEA; the Boeing 737-800 was the most common aircraft at 25% of departures; flights ran 76% full.
Departures
923
April 2026
Seats
146,419
both directions
Passengers
110,815
both directions
Load factor
75.7%
passengers ÷ seats
Who flies ANC–SEA?
Alaska Airlines operated the most nonstop ANC–SEA departures in April 2026 (673), one of 3 carriers on the route.
- AS
Alaska Airlines
673 departures · 112,247 seats
Share of departures72.9%77.7%
Load
- DL
Delta Air Lines
232 departures · 32,804 seats
Share of departures25.1%68.4%
Load
- QX
Horizon Air
18 departures · 1,368 seats
Share of departures2.0%85.8%
Load
What plane flies ANC–SEA?
In April 2026, the Boeing 737-800 flew 25% of ANC–SEA departures — more than any other aircraft type.
- Boeing 737-800
229 departures · 74.3% load
24.8% - Boeing 737-900ER
224 departures · 76.6% load
24.3% - Boeing 737 MAX 9
212 departures · 78.9% load
23.0% - Airbus A220-300
137 departures · 68.8% load
14.8% - Boeing 737-700
94 departures · 77.3% load
10.2% - Embraer E175
18 departures · 85.8% load
1.9% - Boeing 737 MAX 8
5 departures · 57.8% load
0.5% - Airbus A220-100
4 departures · 74.8% load
0.4%
How has ANC–SEA traffic changed?
Nonstop ANC–SEA departures fell from 1,320 in May 2025 to 923 in April 2026.
Monthly nonstop ANC–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
1,320 departures · 168,692 passengers
77.3%
Load
June 2025
1,392 departures · 192,293 passengers
80.7%
Load
July 2025
1,467 departures · 221,449 passengers
87.4%
Load
August 2025
1,441 departures · 202,836 passengers
82.0%
Load
September 2025
1,249 departures · 152,019 passengers
74.9%
Load
October 2025
1,091 departures · 128,683 passengers
74.4%
Load
November 2025
958 departures · 107,477 passengers
70.6%
Load
December 2025
947 departures · 125,235 passengers
83.1%
Load
January 2026
930 departures · 111,084 passengers
74.5%
Load
February 2026
828 departures · 100,394 passengers
75.6%
Load
March 2026
947 departures · 126,121 passengers
83.6%
Load
April 2026
923 departures · 110,815 passengers
75.7%
Load
By direction
The DOT files each direction separately — they rarely match.
SEA → ANC
75.2% full
462 departures · 55,082 passengers
ANC → SEA
76.1% full
461 departures · 55,733 passengers
Nonstop ANC–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Anchorage
US
Ted Stevens Anchorage International Airport
Coordinates
61.18°N, 149.99°W
Hemisphere
N · W
Frequently asked
How far is Anchorage (ANC) from Seattle (SEA)?
ANC to SEA is 1,445 miles (2,326 km / 1,256 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ANC to SEA?
A nonstop covers the 1,445-mile great-circle distance in roughly 3h 41m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ANC–SEA?
In April 2026, the Boeing 737-800 flew the largest share of departures (24.8%), followed by the Boeing 737-900ER (24.3%).
What mileage do I earn flying ANC–SEA?
Distance-based programs credit off the 1,445-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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