Arcata/Eureka (ACV) to Seattle (SEA)
Flight time
≈ 1h 43m
Bearing
11° N
Arcata/Eureka (ACV) to Seattle (SEA) is 456 miles (734 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ACV–SEA
Filed traffic dataIn May 2026, SkyWest Airlines was the only carrier flying nonstop ACV–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 74% full.
Departures
61
May 2026
Seats
4,636
both directions
Passengers
3,418
both directions
Load factor
73.7%
RPM ÷ ASM
Who flies ACV–SEA?
SkyWest Airlines was the only carrier to fly nonstop ACV–SEA in May 2026 (61 departures).
- OO
61 departures · 4,636 seats
Share of departures100.0%73.7%
Load
What plane flies ACV–SEA?
In May 2026, the Embraer E175 flew 100% of ACV–SEA departures.
- Embraer E175
61 departures · 73.7% load
100.0%
How has ACV–SEA traffic changed?
Nonstop ACV–SEA departures rose from 46 in April 2026 to 61 in May 2026.
Monthly nonstop ACV–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
April 2026
46 departures · 2,255 passengers
64.5%
Load
May 2026
61 departures · 3,418 passengers
73.7%
Load
By direction
Each direction is filed separately — they rarely match.
ACV → SEA
74.2% full
31 departures · 1,749 passengers
SEA → ACV
73.2% full
30 departures · 1,669 passengers
Nonstop ACV–SEA traffic has been filed since 2026.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2026. Public domain (US Government work).
The airports
Arcata/Eureka
US
California Redwood Coast-Humboldt County Airport
Coordinates
40.98°N, 124.11°W
Hemisphere
N · W
Frequently asked
How far is Arcata/Eureka (ACV) from Seattle (SEA)?
ACV to SEA is 456 miles (734 km / 396 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ACV to SEA?
A nonstop covers the 456-mile great-circle distance in roughly 1h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ACV–SEA?
In May 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying ACV–SEA?
Distance-based programs credit off the 456-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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