Route
COU → DEN
Columbia Regional Airport Denver International Airport
671 miles
Return route DEN → COU →
How punctual is this route?
- On-time arrivals
- 88.1%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 340
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Air traffic control & airport 27%
- Late-arriving aircraft 11%
- Extreme weather 6%
- 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 | 100.0% | 5 |
| October 2025 | 80.0% | 31 |
| November 2025 | 83.3% | 30 |
| December 2025 | 77.4% | 31 |
| January 2026 | 96.6% | 31 |
| February 2026 | 92.9% | 28 |
| March 2026 | 80.0% | 31 |
| April 2026 | 96.6% | 30 |
| May 2026 | 93.5% | 31 |
| June 2026 | 96.7% | 30 |
| July 2026 | 87.1% | 31 |
| August 2026 | 83.9% | 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 | 340 | 88.1% | 1.2% | 95 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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