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 ANCSEA

Filed traffic data

In May 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 25% of departures; flights ran 82% full.

Departures

1,191

May 2026

Seats

188,344

both directions

Passengers

154,527

both directions

Load factor

82.0%

RPM ÷ ASM

Who flies ANC–SEA?

Alaska Airlines operated the most nonstop ANC–SEA departures in May 2026 (906), one of 3 carriers on the route.

  • AS

    Alaska Airlines

    906 departures · 149,155 seats

    83.0%

    Load

  • DL

    Delta Air Lines

    262 departures · 37,441 seats

    78.0%

    Load

  • QX

    Horizon Air

    23 departures · 1,748 seats

    90.5%

    Load

What plane flies ANC–SEA?

In May 2026, the Boeing 737-900ER flew 25% of ANC–SEA departures — more than any other aircraft type.

How has ANC–SEA traffic changed?

Nonstop ANC–SEA departures fell from 1,392 in June 2025 to 1,191 in May 2026.

Monthly nonstop ANCSEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • 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

  • May 2026

    1,191 departures · 154,527 passengers

    82.0%

    Load

By direction

Each direction is filed separately — they rarely match.

SEAANC

87.1% full

598 departures · 82,445 passengers

ANCSEA

76.9% full

593 departures · 72,082 passengers

Nonstop ANC–SEA traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Boeing 737-900ER flew the largest share of departures (24.7%), followed by the Boeing 737-800 (23.8%).

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

  • AK Aviation

    Alaska Airlines 737 MAX 9 Premium Class - Anchorage to Seattle - TRIP REPORT

    17:05 · Jul 2024

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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