Route Reliability
Denver → Las Vegas
DEN–LAS · 628 miles · Denver International Airport to Harry Reid International Airport
- 76%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.7%
- Cancelled
- 7,066
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines79%2,458 flights
- 2.Frontier Airlines77%1,483 flights
- 3.Southwest Airlines74%3,125 flights
What the data says
Morning flights do better here.
DEN–LAS flights departing between 3–6 AM arrived on time 98% of the time, versus 65% between 6–9 PM.
Thursday is the weak spot.
DEN–LAS flights arrived on time 82% of the time on Saturdays. On Thursdays: 71%.
United Airlines has a slight edge here.
United Airlines arrived on time 79% of the time on this route; Southwest Airlines managed 74%.
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
- Mon73%(1060 flights)
- Tue80%(892 flights)
- Wed82%(926 flights)
- Thu71%(1062 flights)
- Fri72%(1080 flights)
- Sat82%(856 flights)
- Sun77%(1132 flights)
- 12–3 AM—(2 flights)
- 3–6 AM98%(133 flights)
- 6–9 AM93%(1193 flights)
- 9 AM–12 PM82%(1387 flights)
- 12–3 PM76%(1097 flights)
- 3–6 PM68%(1290 flights)
- 6–9 PM65%(1353 flights)
- 9 PM–12 AM66%(553 flights)
Jun 66% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 545 |
| July 2025 | 64% | 554 |
| August 2025 | 71% | 522 |
| September 2025 | 72% | 535 |
| October 2025 | 76% | 652 |
| November 2025 | 82% | 581 |
| December 2025 | 75% | 558 |
| January 2026 | 84% | 563 |
| February 2026 | 85% | 563 |
| March 2026 | 80% | 661 |
| April 2026 | 80% | 642 |
| May 2026 | 78% | 632 |
Keep nerding
Based on 7,066 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.