Route
DEN → RDM
Denver International Airport Roberts Field
898 miles
Return route RDM → DEN →
How punctual is this route?
- On-time arrivals
- 70.7%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 727
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 22%
- 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 | 83.3% | 60 |
| October 2025 | 74.2% | 62 |
| November 2025 | 86.2% | 59 |
| December 2025 | 69.4% | 62 |
| January 2026 | 81.7% | 62 |
| February 2026 | 84.6% | 55 |
| March 2026 | 67.2% | 62 |
| April 2026 | 86.7% | 60 |
| May 2026 | 59.7% | 62 |
| June 2026 | 41.7% | 60 |
| July 2026 | 60.7% | 61 |
| August 2026 | 56.5% | 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 | 70.7% | 0.3% | 58 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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