Route Reliability
Las Vegas → Denver
LAS–DEN · 628 miles · Harry Reid International Airport to Denver International Airport
- 77%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.8%
- Cancelled
- 7,060
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines83%2,454 flights
- 2.Frontier Airlines79%1,480 flights
- 3.Southwest Airlines72%3,126 flights
What the data says
Morning flights do better here.
LAS–DEN flights departing between 3–6 AM arrived on time 98% of the time, versus 64% between 3–6 PM.
Friday is doing you no favors.
LAS–DEN flights arrived on time 85% of the time on Saturdays. On Fridays: 72%.
United Airlines runs this route best.
United Airlines arrived on time 83% of the time on this route; Southwest Airlines managed 72%.
Slipping a little lately.
LAS–DEN flights arrived on time 79% of the time over the last three months in the data, compared with 84% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(1054 flights)
- Tue78%(892 flights)
- Wed83%(926 flights)
- Thu74%(1052 flights)
- Fri72%(1072 flights)
- Sat85%(854 flights)
- Sun77%(1136 flights)
- 12–3 AM84%(331 flights)
- 3–6 AM98%(405 flights)
- 6–9 AM89%(1172 flights)
- 9 AM–12 PM86%(1433 flights)
- 12–3 PM67%(1151 flights)
- 3–6 PM64%(1342 flights)
- 6–9 PM70%(928 flights)
- 9 PM–12 AM66%(224 flights)
Jun 66% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 548 |
| July 2025 | 65% | 546 |
| August 2025 | 69% | 522 |
| September 2025 | 73% | 537 |
| October 2025 | 80% | 655 |
| November 2025 | 82% | 573 |
| December 2025 | 81% | 551 |
| January 2026 | 86% | 559 |
| February 2026 | 84% | 564 |
| March 2026 | 77% | 656 |
| April 2026 | 85% | 641 |
| May 2026 | 75% | 634 |
Keep nerding
Based on 7,060 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.