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
Filed traffic dataIn July 2026, Alaska Airlines operated the most departures, one of 3 carriers flying nonstop ANC–SEA; the Boeing 737-900ER was the most common aircraft at 29% of departures; flights ran 87% full.
Departures
1,442
July 2026
Seats
234,544
both directions
Passengers
203,722
both directions
Load factor
86.9%
RPM ÷ ASM
Who flies ANC–SEA?
Alaska Airlines operated the most nonstop ANC–SEA departures in July 2026 (1,130), one of 3 carriers on the route.
- AS
1,130 departures · 188,862 seats
Share of departures78.4%86.4%
Load
- DL
310 departures · 45,350 seats
Share of departures21.5%88.9%
Load
- UA
2 departures · 332 seats
Share of departures0.1%94.9%
Load
What plane flies ANC–SEA?
In July 2026, the Boeing 737-900ER flew 29% of ANC–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
420 departures · 86.9% load
29.1% - Boeing 737 MAX 9
330 departures · 86.7% load
22.9% - Boeing 737-800
290 departures · 87.1% load
20.1% - Airbus A220-300
185 departures · 86.4% load
12.8% - Boeing 737-700
128 departures · 92.4% load
8.9% - Boeing 737 MAX 8
88 departures · 81.0% load
6.1% - Boeing 757-300
1 departures · 77.8% load
0.1%
How has ANC–SEA traffic changed?
Nonstop ANC–SEA departures rose from 1,441 in August 2025 to 1,442 in July 2026.
Monthly nonstop ANC–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
1,191 departures · 154,527 passengers
82.0%
Load
June 2026
1,322 departures · 172,350 passengers
80.5%
Load
July 2026
1,442 departures · 203,722 passengers
86.9%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → ANC
87.6% full
724 departures · 103,848 passengers
ANC → SEA
86.1% full
718 departures · 99,874 passengers
Nonstop ANC–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
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 July 2026, the Boeing 737-900ER flew the largest share of departures (29.1%), followed by the Boeing 737 MAX 9 (22.9%).
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.
Trip reports on YouTube
Fliers post trip reports from this route to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.

The Trip Reporter
TRIP REPORT | Alaska Airlines (Premium) | Seattle to Anchorage | Boeing 737 MAX 9
18:19 · Sep 2024

AlaskaTripReports
TRIP REPORT FIRST CLASS SEA-ANC ALASKA AIRLINES 737-900ER!
28:16 · Feb 2026

QFS Aviation
TRIP REPORT | Alaska Airlines - 737 900 - Anchorage (ANC) to Seattle (SEA) | First Class
17:36 · Jul 2020
Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.
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