Route
BHM → DEN
Birmingham-Shuttlesworth International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 83.2%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,236
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 31%
- Late-arriving aircraft 30%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.4% | 89 |
| October 2025 | 87.1% | 93 |
| November 2025 | 92.0% | 88 |
| December 2025 | 82.8% | 93 |
| January 2026 | 91.4% | 93 |
| February 2026 | 94.0% | 84 |
| March 2026 | 80.7% | 116 |
| April 2026 | 82.8% | 116 |
| May 2026 | 84.7% | 118 |
| June 2026 | 69.8% | 116 |
| July 2026 | 77.3% | 119 |
| August 2026 | 78.0% | 111 |
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 | 604 | 90.0% | 0.3% | 92 min |
| Southwest Airlines | 509 | 77.8% | 0.0% | 63 min |
| United Airlines | 123 | 72.1% | 0.8% | 83 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5295
7% late · 341 flights
-
OO4690
14% late · 240 flights
-
UA447
30% late · 81 flights
-
WN765
2% late · 49 flights
-
WN436
16% late · 43 flights
-
WN3667
45% late · 42 flights
-
WN894
29% late · 35 flights
-
WN699
12% late · 33 flights
-
WN2691
50% late · 28 flights
-
WN2962
7% late · 28 flights
-
WN437
50% late · 27 flights
-
WN1777
4% late · 25 flights
-
WN994
12% late · 24 flights
-
OO5618
9% late · 22 flights
-
UA402
38% late · 21 flights
-
UA1193
10% late · 20 flights
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