Route
BZN → DEN
Bozeman Yellowstone International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 77.5%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,704
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 46%
- Late-arriving aircraft 32%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.2% | 237 |
| October 2025 | 85.0% | 221 |
| November 2025 | 85.0% | 210 |
| December 2025 | 77.0% | 231 |
| January 2026 | 86.1% | 202 |
| February 2026 | 82.2% | 185 |
| March 2026 | 74.0% | 215 |
| April 2026 | 84.8% | 210 |
| May 2026 | 79.0% | 224 |
| June 2026 | 73.7% | 254 |
| July 2026 | 67.7% | 265 |
| August 2026 | 62.1% | 250 |
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 | 1,210 | 80.8% | 0.4% | 79 min |
| Southwest Airlines | 1,175 | 72.9% | 0.3% | 61 min |
| SkyWest Airlines | 319 | 81.9% | 1.3% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2063
10% late · 209 flights
-
UA1109
29% late · 184 flights
-
UA2258
23% late · 180 flights
-
UA1824
9% late · 171 flights
-
OO5736
36% late · 110 flights
-
UA1362
4% late · 103 flights
-
OO4659
5% late · 74 flights
-
WN1133
57% late · 61 flights
-
UA2166
32% late · 59 flights
-
WN3349
48% late · 58 flights
-
WN2762
21% late · 57 flights
-
UA431
44% late · 56 flights
-
OO5959
7% late · 55 flights
-
OO5403
8% late · 52 flights
-
WN1132
70% late · 52 flights
-
WN1131
29% late · 51 flights
-
WN1353
10% late · 50 flights
-
WN1983
16% late · 49 flights
-
WN1982
12% late · 48 flights
-
WN2150
13% late · 47 flights
-
UA1322
40% late · 46 flights
-
WN1946
22% late · 46 flights
-
WN1947
11% late · 46 flights
-
WN1130
14% late · 43 flights
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