Route
DAY → DEN
James M. Cox Dayton International Airport Denver International Airport
1,085 miles
Return route DEN → DAY →
How punctual is this route?
- On-time arrivals
- 92.3%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 148 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 72%
- Late-arriving aircraft 20%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.7% | 30 |
| October 2025 | 96.8% | 31 |
| November 2025 | 83.3% | 30 |
| December 2025 | 74.2% | 31 |
| January 2026 | 93.1% | 31 |
| February 2026 | 92.9% | 28 |
| March 2026 | 93.5% | 31 |
| April 2026 | 100.0% | 30 |
| May 2026 | 96.7% | 31 |
| June 2026 | 86.7% | 30 |
| July 2026 | 93.5% | 31 |
| August 2026 | 100.0% | 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 |
|---|---|---|---|---|
| United Airlines | 308 | 92.2% | 0.3% | 157 min |
| SkyWest Airlines | 57 | 92.7% | 3.5% | 92 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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