Route
RDM → DEN
Roberts Field Denver International Airport
898 miles
Return route DEN → RDM →
How punctual is this route?
- On-time arrivals
- 85.0%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 727
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 35%
- Air traffic control & airport 22%
- Extreme weather 1%
- 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 | 79.7% | 60 |
| October 2025 | 85.5% | 62 |
| November 2025 | 89.7% | 59 |
| December 2025 | 77.0% | 62 |
| January 2026 | 90.0% | 62 |
| February 2026 | 88.9% | 55 |
| March 2026 | 88.5% | 62 |
| April 2026 | 95.0% | 60 |
| May 2026 | 91.9% | 62 |
| June 2026 | 84.2% | 60 |
| July 2026 | 73.3% | 61 |
| August 2026 | 75.4% | 62 |
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 | 727 | 85.0% | 0.8% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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