Best Time to Fly RNO to DEN: On-Time Stats by Hour & Airline
Reno/Tahoe International → Denver International
Data through July 2026 · Last updated October 18, 2026
2,469 flights were scheduled from Reno (RNO) to Denver (DEN) in the last 12 months, and 87.2% of those that flew arrived on time, 9.6 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 87.9%, while Frontier Airlines trailed at 83.3%.
November has been the best month (90% on time) and Monday the weakest day of the week (82%).
0.4% of flights were cancelled, versus 1.8% nationally.
RNO to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 87.9% | 59 min | 0.3% | 1,084 |
| United Airlines | 86.6% | 82 min | 0.5% | 1,306 |
| Frontier Airlines | 83.3% | 149 min | 0.0% | 54 |
| SkyWest Airlines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RNO to DEN
On-time arrival % by scheduled departure hour (local time), 5,091 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.4% | 0.4% | 1,107 |
| 6am–7am | 92.8% | 0.0% | 333 |
| 7am–8am | Limited data | 15 | |
| 8am–9am | 85.8% | 0.3% | 332 |
| 9am–10am | 87.5% | 0.6% | 726 |
| 10am–11am | 88.7% | 0.3% | 313 |
| 11am–12pm | 87.0% | 0.4% | 239 |
| 12pm–1pm | 85.2% | 0.7% | 143 |
| 1pm–2pm | 79.0% | 0.2% | 905 |
| 2pm–3pm | 64.8% | 0.7% | 149 |
| 3pm–4pm | 58.0% | 0.0% | 182 |
| 4pm–5pm | 70.1% | 2.7% | 258 |
| 5pm–6pm | Limited data | 10 | |
| 6pm–7pm | 80.4% | 1.1% | 379 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RNO to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 86.5% | +1.2 pts | 0.0% | 89 |
| Christmas & New Year (Dec 20 - Jan 3) | 87.0% | +1.6 pts | 1.0% | 202 |
| Summer peak (Jun 15 - Aug 15) | 78.5% | -6.8 pts | 0.5% | 945 |
| All other days | 85.4% | — | 0.5% | 3,855 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).