Arcata/Eureka (ACV) to Denver (DEN): On-Time Performance
Data through May 2026
When you fly ACV to DEN matters as much as anything else about the booking: the route swung from 100% on-time in February 2025 to just 58% in August 2024. Across the full period the route averages 81% on-time against a national 78%.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 1.0
- last 12 months
- Duration
- 2h 45m
- scheduled
- Distance
- 1,026 mi
Monthly on-time trend
Best time to fly from ACV to DEN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 26 min |
| Tuesday | 80% | 16 min |
| Wednesday | 81% | 14 min |
| Thursday | 80% | 20 min |
| Fridaybest | 83% | 23 min |
| Saturday | 80% | 35 min |
| Sundaybest | 83% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations26%
- National airspace system15%
- Weather35%
Frequently asked questions
- How often are flights from ACV to DEN delayed?
- 19% of ACV–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- How long is the flight from ACV to DEN?
- The scheduled ACV–DEN flight time averages 2h 45m over 1,026 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are ACV to DEN flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ACV to DEN?
- August 2024 was the roughest month in this dataset, with only 58% of arrivals on time. The best was February 2025 at 100%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 701 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.