Arcata/Eureka (ACV) to Seattle (SEA) flights
SkyWest Airlines flies nonstop from California Redwood Coast-Humboldt County Airport to Seattle-Tacoma International Airport, with about 7 flights a week in July 2026. The 456-mile flight takes about 1h 38m gate to gate.
- Distance
- 456 mi · 734 km
- Flight time
- 1h 38m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying ACV to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 7 | Embraer E175 | 6,197 | 1h 38m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ACV to SEA flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 2:50pm and the last at 3:12pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 3345Alaska Airlines · operated by SkyWest Airlines | 2:50pm | 4:30pm | 18 | 64% |
| AS 3015Alaska Airlines · operated by SkyWest Airlines | 3:12pm | 4:57pm | 13 | 85% |
Is ACV to SEA on time?
From September 2025 to August 2026, 72% of 146 flights arrived within 15 minutes of schedule and 2.7% were cancelled. Flights leaving around 3pm were the most punctual (85%), those around 2pm the least (69%). Most delay time was caused by late-arriving aircraft (75%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 146 | 72% | 17 min | 2.7% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| April 2026 | 23 | 1,117 | |
| May 2026 | 31 | 1,749 | |
| June 2026 | 27 | 1,613 | |
| July 2026 | 30 | 1,718 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.