Route
BIL → DEN
Billings Logan International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 82.5%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,774
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 25%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.7% | 167 |
| October 2025 | 86.5% | 155 |
| November 2025 | 86.6% | 146 |
| December 2025 | 81.1% | 125 |
| January 2026 | 86.9% | 124 |
| February 2026 | 81.8% | 111 |
| March 2026 | 82.9% | 124 |
| April 2026 | 93.7% | 127 |
| May 2026 | 89.0% | 163 |
| June 2026 | 85.1% | 176 |
| July 2026 | 70.5% | 179 |
| August 2026 | 70.2% | 177 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 1,049 | 81.3% | 1.4% | 94 min |
| United Airlines | 725 | 84.1% | 0.3% | 89 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA478
24% late · 359 flights
-
UA372
8% late · 318 flights
-
OO4758
29% late · 305 flights
-
OO4728
11% late · 192 flights
-
OO5829
6% late · 189 flights
-
OO5463
4% late · 103 flights
-
OO4689
8% late · 67 flights
-
OO4637
30% late · 55 flights
-
UA557
9% late · 47 flights
-
OO5590
62% late · 40 flights
-
OO4717
30% late · 30 flights
-
OO4725
0% late · 24 flights
-
OO4643
63% late · 21 flights
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