The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

California Redwood Coast-Humboldt County ⇄ Seattle-Tacoma International ACV–SEA

Airlines flew 221 flights between California Redwood Coast-Humboldt County ACV in Arcata/Eureka, CA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 12,297 passengers in 16,796 seats, 73% of them filled. 456 miles, about 73 minutes in the air, on 1 airline: SkyWest Airlines Inc. (221). Planning to fly it yourself? The weather and winds along this route right now.

221
flights, twelve months
ACV-SEA: 111 · SEA-ACV: 110
12,297
passengers
73% of seats filled
456
miles
about 73 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

01530466113/254661546/26607/26
By month, as a table
flights
3/251
4/2646
5/2661
6/2654
7/2660

Passengers by month

08621,7232,5843,44603/252,2553,4183,1786/263,4467/26
By month, as a table
passengers
3/250
4/262,255
5/263,418
6/263,178
7/263,446

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO22112,29773%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1752217612,297

ACV → SEA this direction alone · flown March 2025 to July 2026

111 flights of 111 scheduled, 6,197 passengers in 8,436 seats. SkyWest Airlines Inc. 111.

SEA → ACV this direction alone · flown April 2026 to July 2026

110 flights of 110 scheduled, 6,100 passengers in 8,360 seats. SkyWest Airlines Inc. 110.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: California Redwood Coast-Humboldt County ACV and Seattle-Tacoma International SEA; all routes.