Route
SEA → ACV
Seattle–Tacoma International Airport California Redwood Coast-Humboldt County Airport
456 miles
Return route ACV → SEA →
How punctual is this route?
- On-time arrivals
- 71.6%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 146
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 16%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Apr 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| April 2026 | 73.9% | 23 |
| May 2026 | 80.0% | 31 |
| June 2026 | 77.8% | 30 |
| July 2026 | 70.0% | 31 |
| August 2026 | 58.1% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 146 | 71.6% | 2.7% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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