Reno (RNO) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly RNO to DEN matters as much as anything else about the booking: the route swung from 96% on-time in January 2026 to just 70% in July 2025. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 80%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 6.8
- last 12 months
- Duration
- 2h 16m
- scheduled
- Distance
- 804 mi
Best airline from RNO to DEN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 85% | 10 min | 0.4% | 2,272 |
| United Airlines | 83% | 13 min | 0.8% | 2,904 |
| Frontier Airlines | 82% | 19 min | 0.0% | 108 |
Monthly on-time trend
Best time to fly from RNO to DEN
Aim for departures around 6 a.m. (93% on-time); avoid 3 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 14 min |
| Tuesday | 84% | 12 min |
| Wednesday | 86% | 10 min |
| Thursday | 84% | 13 min |
| Friday | 82% | 14 min |
| Saturdaybest | 87% | 11 min |
| Sunday | 82% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations28%
- National airspace system36%
- Weather5%
Frequently asked questions
- How often are flights from RNO to DEN delayed?
- 16% of RNO–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from RNO to DEN?
- Southwest Airlines has the best on-time record on this route at 85%, based on 2,272 flights. 3 airlines flew RNO–DEN frequently enough to compare in this period.
- What is the best time of day to fly from RNO to DEN?
- Departures around 6 a.m. have the best record (93% on-time), while departures around 3 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from RNO to DEN?
- The scheduled RNO–DEN flight time averages 2h 16m over 804 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are RNO to DEN flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from RNO to DEN?
- July 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was January 2026 at 96%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 5,310 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.