Hayden (HDN) to Seattle (SEA)
Flight time
≈ 2h 35m
Bearing
308° NW
Hayden (HDN) to Seattle (SEA) is 889 miles (1,431 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HDN–SEA
US DOT T-100 · filed dataIn March 2026, SkyWest Airlines was the only carrier flying nonstop HDN–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 55% full.
Departures
26
March 2026
Seats
1,976
both directions
Passengers
1,083
both directions
Load factor
54.8%
passengers ÷ seats
Who flies HDN–SEA?
SkyWest Airlines was the only carrier to fly nonstop HDN–SEA in March 2026 (26 departures).
- OO
SkyWest Airlines
26 departures · 1,976 seats
Share of departures100.0%54.8%
Load
What plane flies HDN–SEA?
In March 2026, the Embraer E175 flew 100% of HDN–SEA departures.
- Embraer E175
26 departures · 54.8% load
100.0%
How has HDN–SEA traffic changed?
Nonstop HDN–SEA departures rose from 1 in May 2025 to 26 in March 2026.
Monthly nonstop HDN–SEA traffic, trailing 12 months through March 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
1 departures · 192 passengers
96.0%
Load
June 2025
1 departures · 137 passengers
95.8%
Load
July 2025
0 departures · 0 passengers
—
Load
August 2025
0 departures · 0 passengers
—
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
11 departures · 527 passengers
63.0%
Load
January 2026
24 departures · 1,068 passengers
58.6%
Load
February 2026
24 departures · 1,271 passengers
69.7%
Load
March 2026
26 departures · 1,083 passengers
54.8%
Load
By direction
The DOT files each direction separately — they rarely match.
HDN → SEA
61.4% full
13 departures · 607 passengers
SEA → HDN
48.2% full
13 departures · 476 passengers
Nonstop HDN–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through March 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Hayden (HDN) from Seattle (SEA)?
HDN to SEA is 889 miles (1,431 km / 773 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HDN to SEA?
A nonstop covers the 889-mile great-circle distance in roughly 2h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HDN–SEA?
In March 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying HDN–SEA?
Distance-based programs credit off the 889-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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