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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies HDN–SEA
Filed traffic 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%
RPM ÷ ASM
Who flies HDN–SEA?
SkyWest Airlines was the only carrier to fly nonstop HDN–SEA in March 2026 (26 departures).
- OO
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 June 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.
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
Each direction is filed 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 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 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.
Keep exploring
Every route below is its own page.
Popular long-haul routes