Route · RDU → DEN · 2020–2025 BTS data
Raleigh/Durham to Denver
The RDU–DEN corridor (Raleigh/Durham, NC → Denver, CO) runs ahead of the national average, served by 13 carriers across roughly 1,436 miles.
Data updated 2026-06-13
- 82.7%
- On-time
- +3.7 pts
- vs US avg
- 73 min
- Delay when late
- 10,149
- Flights
Cancelled
0.7%
Best Month
Oct 2024 91%
Worst Month
Jun 2025 66%
Distance
1,436 mi
Carriers
13
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 147 | 44 | 0 | 1 | WN,F9,UA |
| Nov 2025 | 138 | 21 | 0 | 0 | UA,F9,WN |
| Oct 2025 | 136 | 21 | 0 | 0 | UA,WN,F9 |
| Sep 2025 | 133 | 26 | 0 | 0 | UA,WN,F9 |
| Aug 2025 | 163 | 46 | 2 | 2 | WN,F9,UA |
| Jul 2025 | 183 | 60 | 1 | 3 | UA,WN,F9 |
| Jun 2025 | 178 | 61 | 2 | 1 | UA,WN,F9 |
| May 2025 | 146 | 42 | 1 | 1 | UA,WN,F9 |
| Apr 2025 | 142 | 28 | 0 | 1 | F9,UA,WN |
| Mar 2025 | 148 | 16 | 0 | 0 | UA,WN,F9 |
| Feb 2025 | 127 | 19 | 0 | 0 | UA,WN,F9 |
| Jan 2025 | 141 | 33 | 0 | 0 | UA,WN,F9 |
| Dec 2024 | 148 | 15 | 0 | 0 | F9,UA,WN |
| Nov 2024 | 152 | 28 | 0 | 0 | UA,WN,F9 |
| Oct 2024 | 155 | 14 | 2 | 0 | UA,WN,F9 |
| Sep 2024 | 153 | 22 | 1 | 0 | WN,UA,F9 |
| Aug 2024 | 169 | 40 | 2 | 0 | F9,WN,UA |
| Jul 2024 | 185 | 45 | 4 | 0 | F9,UA,WN |
| Jun 2024 | 179 | 23 | 1 | 5 | F9,UA,WN |
| May 2024 | 160 | 53 | 2 | 1 | F9,UA,WN |
| Apr 2024 | 148 | 34 | 0 | 0 | F9,UA,WN |
| Mar 2024 | 166 | 22 | 3 | 0 | F9,UA,WN |
| Feb 2024 | 135 | 26 | 0 | 0 | F9,UA,WN |
| Jan 2024 | 148 | 24 | 6 | 0 | F9,WN,UA |
Cancellation Rate
0.7%
27 of 3,680 flights
Diversion Rate
0.4%
15 of 3,680 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See RDU and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to RDU–DEN.
Routes with a similar on-time rate
What the Data Says About RDU to DEN
Bureau of Transportation Statistics records show Raleigh/Durham to Denver (RDU to DEN) running a 82.7% on-time rate over 10,149 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.7 minutes. The 1,436-mile corridor is served by 13 carriers, and over the last 24 months 0.7% of 3,680 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Jun 2025 came in at just 66% - a 25-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from RDU to DEN? ▼
What is the cancellation rate for RDU to DEN? ▼
How far is the flight from RDU to DEN? ▼
When is the best time to fly from RDU to DEN? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.