Route Reliability
ACV → Denver
ACV–DEN · 1,026 miles · ACV Airport to Denver International Airport
- 81%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 0.5%
- Cancelled
- 380
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 380 flights. No comparison to make.
What the data says
Mornings have a slight edge.
Departures between 3–6 AM arrived on time 88% of the time, against 81% between 12–3 PM.
Saturday is the weak spot.
ACV–DEN flights arrived on time 87% of the time on Fridays. On Saturdays: 75%.
Recent months have been rougher.
ACV–DEN flights arrived on time 74% of the time over the last three months in the data, compared with 84% in the three months before that.
Flights on this route
The breakdown
- Mon80%(59 flights)
- Tue79%(52 flights)
- Wed80%(51 flights)
- Thu84%(50 flights)
- Fri87%(60 flights)
- Sat75%(51 flights)
- Sun83%(52 flights)
- 3–6 AM88%(16 flights)
- 12–3 PM81%(359 flights)
Jun 84% → May 67% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 84% | 32 |
| July 2025 | 78% | 37 |
| August 2025 | 72% | 36 |
| September 2025 | 80% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 29 |
| December 2025 | 90% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 75% | 28 |
| March 2026 | 83% | 30 |
| April 2026 | 73% | 30 |
| May 2026 | 67% | 30 |
Keep nerding
Based on 380 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.