Route
RNO → DEN
Reno Tahoe International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 86.6%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,438
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 34%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.2% | 248 |
| October 2025 | 88.2% | 230 |
| November 2025 | 92.5% | 186 |
| December 2025 | 85.2% | 199 |
| January 2026 | 95.8% | 190 |
| February 2026 | 86.4% | 178 |
| March 2026 | 88.4% | 199 |
| April 2026 | 91.6% | 179 |
| May 2026 | 87.4% | 192 |
| June 2026 | 79.7% | 201 |
| July 2026 | 84.1% | 208 |
| August 2026 | 76.0% | 228 |
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 |
|---|---|---|---|---|
| United Airlines | 1,291 | 86.1% | 0.4% | 85 min |
| Southwest Airlines | 1,081 | 87.2% | 0.3% | 68 min |
| Frontier Airlines | 41 | 80.5% | 0.0% | 166 min |
| SkyWest Airlines | 25 | 96.0% | 0.0% | 46 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA347
11% late · 287 flights
-
UA225
8% late · 236 flights
-
UA1534
21% late · 164 flights
-
UA1937
13% late · 91 flights
-
WN4185
9% late · 80 flights
-
UA1225
29% late · 71 flights
-
UA2329
7% late · 68 flights
-
UA2642
10% late · 67 flights
-
WN4184
6% late · 64 flights
-
WN3890
8% late · 61 flights
-
WN2037
2% late · 58 flights
-
WN594
5% late · 58 flights
-
WN1475
27% late · 57 flights
-
UA1829
11% late · 46 flights
-
WN2975
40% late · 44 flights
-
WN1384
7% late · 42 flights
-
F92790
20% late · 41 flights
-
WN1545
17% late · 36 flights
-
UA2676
18% late · 35 flights
-
WN2330
9% late · 33 flights
-
UA2421
6% late · 32 flights
-
WN4160
3% late · 31 flights
-
UA1009
17% late · 30 flights
-
WN1390
4% late · 28 flights
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