Route
DEN → RDU
Denver International Airport Raleigh-Durham International Airport
How punctual is this route?
- On-time arrivals
- 76.0%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,732
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 15%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.7% | 133 |
| October 2025 | 72.8% | 136 |
| November 2025 | 82.5% | 137 |
| December 2025 | 80.3% | 147 |
| January 2026 | 86.9% | 138 |
| February 2026 | 82.7% | 128 |
| March 2026 | 77.7% | 149 |
| April 2026 | 78.8% | 146 |
| May 2026 | 78.6% | 155 |
| June 2026 | 66.0% | 154 |
| July 2026 | 67.5% | 157 |
| August 2026 | 70.4% | 152 |
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 | 82.3% | 0.4% | 73 min |
| Southwest Airlines | 709 | 64.8% | 0.8% | 58 min |
| Frontier Airlines | 296 | 87.4% | 1.0% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2269
12% late · 348 flights
-
F92440
13% late · 296 flights
-
UA2671
23% late · 287 flights
-
WN1463
14% late · 63 flights
-
WN1692
78% late · 60 flights
-
WN2298
20% late · 60 flights
-
WN2038
43% late · 58 flights
-
WN3138
33% late · 58 flights
-
UA1417
22% late · 55 flights
-
WN1471
16% late · 53 flights
-
WN449
16% late · 47 flights
-
WN1691
26% late · 36 flights
-
WN1859
42% late · 33 flights
-
WN1713
55% late · 31 flights
-
WN3575
29% late · 28 flights
-
WN4696
35% late · 26 flights
-
WN4753
67% late · 24 flights
-
WN1192
39% late · 23 flights
-
UA1706
38% late · 21 flights
-
WN1926
33% late · 21 flights
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