Route · DEN → BHM · 2020–2025 BTS data
Denver to Birmingham
The DEN–BHM corridor (Denver, CO → Birmingham, AL) runs behind the national average, served by 5 carriers across roughly 1,083 miles.
Data updated 2026-06-13
- 72.4%
- On-time
- -6.6 pts
- vs US avg
- 60 min
- Delay when late
- 5,972
- Flights
Cancelled
0.6%
Best Month
Nov 2025 86%
Worst Month
Jun 2025 51%
Distance
1,083 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 93 | 25 | 0 | 0 | WN,OO |
| Nov 2025 | 88 | 12 | 0 | 0 | OO,WN |
| Oct 2025 | 93 | 18 | 0 | 0 | OO,WN |
| Sep 2025 | 89 | 23 | 0 | 0 | WN,OO |
| Aug 2025 | 93 | 30 | 1 | 0 | OO,WN |
| Jul 2025 | 93 | 32 | 2 | 0 | OO,WN |
| Jun 2025 | 90 | 44 | 0 | 1 | OO,WN |
| May 2025 | 93 | 37 | 1 | 0 | OO,WN |
| Apr 2025 | 90 | 33 | 1 | 0 | OO,WN |
| Mar 2025 | 93 | 21 | 1 | 0 | OO,WN |
| Feb 2025 | 84 | 19 | 0 | 0 | OO,WN |
| Jan 2025 | 93 | 23 | 3 | 0 | OO,WN |
| Dec 2024 | 93 | 13 | 0 | 0 | OO,WN |
| Nov 2024 | 88 | 28 | 2 | 0 | OO,WN |
| Oct 2024 | 93 | 16 | 0 | 0 | OO,WN |
| Sep 2024 | 90 | 17 | 0 | 0 | WN,OO |
| Aug 2024 | 93 | 34 | 0 | 0 | WN,OO |
| Jul 2024 | 93 | 28 | 0 | 0 | OO,WN |
| Jun 2024 | 90 | 37 | 0 | 0 | OO,WN |
| May 2024 | 90 | 28 | 0 | 0 | OO,WN |
| Apr 2024 | 86 | 23 | 0 | 1 | OO,WN |
| Mar 2024 | 88 | 18 | 1 | 0 | OO,WN |
| Feb 2024 | 84 | 23 | 0 | 0 | OO,WN |
| Jan 2024 | 93 | 34 | 1 | 0 | WN,OO |
Cancellation Rate
0.6%
13 of 2,173 flights
Diversion Rate
0.1%
2 of 2,173 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
Destination airport →Compare the two airports
See DEN and BHM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–BHM.
Routes with a similar on-time rate
What the Data Says About DEN to BHM
On-time performance on the DEN to BHM pairing (Denver to Birmingham) trails a chunk of the network: 72.4% of 5,972 tracked flights arrived on schedule, with a 60.3-minute average delay on the ones that ran late. The route spans about 1,083 miles across 5 carriers. Cancellations over the trailing 24 months hit 0.6% (13 of 2,173 flights), with 0.1% diverted.
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 86% on-time, while Jun 2025 came in at just 51% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DEN to BHM? ▼
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.