Anchorage (ANC) to Seattle (SEA)

1,445mi
2,326 km1,256 nm

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.

Route map: ANC → SEAANCSEA

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What actually flies ANC–SEA

Filed traffic data

In 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

    Alaska Airlines

    1,130 departures · 188,862 seats

    86.4%

    Load

  • DL

    Delta Air Lines

    310 departures · 45,350 seats

    88.9%

    Load

  • UA

    United Airlines

    2 departures · 332 seats

    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.

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

ANC

US

Ted Stevens Anchorage International Airport

Coordinates

61.18°N, 149.99°W

Hemisphere

N · W

SEA

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°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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