FlightRecord

Denver (DEN) to Arcata/Eureka (ACV): On-Time Performance

Data through May 2026

Denver (DEN) to Arcata/Eureka (ACV) effectively runs on two schedules. In November 2025, 97% of arrivals were on time; in March 2026 that fell to 57% — a 40-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%.

On-time
80%
arrived <15 min late
Avg delay
15 min
completed flights
Cancelled
0.4%
Flights/day
1.0
last 12 months
Duration
3h 6m
scheduled
Distance
1,026 mi

Monthly on-time trend

Monthly on-time percentage for DEN to ACV flights50%75%100%June 2024: 69% on-time (26 flights)69Jun 2024July 2024: 81% on-time (26 flights)81August 2024: 82% on-time (28 flights)82September 2024: 88% on-time (25 flights)88Sep 2024October 2024: 83% on-time (24 flights)83November 2024: 62% on-time (29 flights)62December 2024: 84% on-time (31 flights)84Dec 2024January 2025: 87% on-time (23 flights)87February 2025: 64% on-time (22 flights)64March 2025: 85% on-time (26 flights)85Mar 2025April 2025: 87% on-time (30 flights)87May 2025: 77% on-time (31 flights)77June 2025: 81% on-time (32 flights)81Jun 2025July 2025: 73% on-time (40 flights)73August 2025: 86% on-time (36 flights)86September 2025: 93% on-time (30 flights)93Sep 2025October 2025: 94% on-time (31 flights)94November 2025: 97% on-time (29 flights)97December 2025: 77% on-time (31 flights)77Dec 2025January 2026: 77% on-time (31 flights)77February 2026: 79% on-time (28 flights)79March 2026: 57% on-time (31 flights)57Mar 2026April 2026: 63% on-time (30 flights)63May 2026: 84% on-time (31 flights)84

Best time to fly from DEN to ACV

By day of week

DayOn-timeAvg delay
Monday78%12 min
Tuesdaybest85%15 min
Wednesday81%9 min
Thursday81%13 min
Friday76%19 min
Saturday80%14 min
Sunday79%23 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft27%
  • Airline operations36%
  • National airspace system32%
  • Weather5%

Frequently asked questions

How often are flights from DEN to ACV delayed?
21% of DEN–ACV 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 15 minutes.
How long is the flight from DEN to ACV?
The scheduled DEN–ACV flight time averages 3h 6m over 1,026 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are DEN to ACV flights cancelled?
0.4% 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 DEN to ACV?
March 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was November 2025 at 97%. If your dates are flexible, that 40-point gap is worth planning around.

Based on 701 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.