Route
DEN → LAS
Denver International Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 75.5%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 7,168
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 23%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.2% | 537 |
| October 2025 | 74.4% | 653 |
| November 2025 | 81.4% | 594 |
| December 2025 | 74.6% | 560 |
| January 2026 | 83.3% | 564 |
| February 2026 | 84.2% | 567 |
| March 2026 | 79.1% | 666 |
| April 2026 | 79.3% | 646 |
| May 2026 | 77.2% | 640 |
| June 2026 | 65.4% | 593 |
| July 2026 | 67.5% | 586 |
| August 2026 | 67.5% | 562 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 3,141 | 72.4% | 0.7% | 62 min |
| United Airlines | 2,401 | 79.4% | 0.3% | 69 min |
| Frontier Airlines | 1,626 | 75.8% | 1.0% | 81 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2316
6% late · 364 flights
-
UA655
33% late · 363 flights
-
F9777
28% late · 357 flights
-
F91993
20% late · 351 flights
-
UA526
19% late · 334 flights
-
F92349
30% late · 300 flights
-
F92015
12% late · 253 flights
-
F94967
27% late · 241 flights
-
UA493
14% late · 223 flights
-
UA624
33% late · 169 flights
-
UA716
25% late · 144 flights
-
UA1496
21% late · 115 flights
-
UA2338
39% late · 78 flights
-
WN1526
10% late · 78 flights
-
UA604
11% late · 76 flights
-
F91765
24% late · 75 flights
-
WN2492
42% late · 59 flights
-
WN1484
21% late · 58 flights
-
WN1894
2% late · 58 flights
-
WN1901
34% late · 58 flights
-
WN2110
18% late · 58 flights
-
WN2313
36% late · 57 flights
-
WN2490
39% late · 57 flights
-
WN1485
29% late · 55 flights
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