Route · ATL → DEN · 2020–2025 BTS data
Atlanta to Denver
The ATL–DEN corridor (Atlanta, GA → Denver, CO) runs ahead of the national average, served by 27 carriers across roughly 1,199 miles.
Data updated 2026-06-13
- 79.6%
- On-time
- +0.6 pts
- vs US avg
- 65 min
- Delay when late
- 33,476
- Flights
Cancelled
0.9%
Best Month
Oct 2024 89%
Worst Month
Jun 2025 61%
Distance
1,199 mi
Carriers
27
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 457 | 143 | 8 | 0 | DL,WN,F9,UA |
| Nov 2025 | 449 | 60 | 5 | 0 | UA,DL,F9,WN |
| Oct 2025 | 474 | 103 | 0 | 1 | DL,UA,WN,F9 |
| Sep 2025 | 450 | 83 | 1 | 1 | UA,WN,DL,F9 |
| Aug 2025 | 495 | 140 | 4 | 3 | WN,F9,UA,DL |
| Jul 2025 | 526 | 159 | 4 | 11 | DL,UA,WN,F9 |
| Jun 2025 | 508 | 197 | 6 | 1 | DL,UA,WN,F9 |
| May 2025 | 482 | 178 | 1 | 5 | DL,UA,WN,F9 |
| Apr 2025 | 452 | 147 | 1 | 2 | DL,F9,UA,WN |
| Mar 2025 | 446 | 88 | 4 | 1 | DL,UA,WN,F9 |
| Feb 2025 | 393 | 97 | 0 | 0 | DL,UA,WN,F9 |
| Jan 2025 | 440 | 99 | 19 | 1 | DL,UA,WN,F9 |
| Dec 2024 | 488 | 108 | 0 | 0 | DL,F9,UA,WN |
| Nov 2024 | 465 | 74 | 1 | 0 | UA,WN,DL,F9 |
| Oct 2024 | 500 | 53 | 1 | 1 | UA,DL,F9,WN |
| Sep 2024 | 494 | 91 | 2 | 0 | WN,UA,DL,F9 |
| Aug 2024 | 518 | 91 | 2 | 5 | DL,F9,WN,UA |
| Jul 2024 | 552 | 167 | 31 | 3 | DL,F9,UA,WN |
| Jun 2024 | 542 | 128 | 2 | 1 | DL,F9,UA,WN |
| May 2024 | 557 | 195 | 2 | 7 | DL,F9,UA,WN |
| Apr 2024 | 531 | 135 | 1 | 0 | DL,F9,UA,WN |
| Mar 2024 | 509 | 61 | 4 | 0 | DL,F9,UA,WN |
| Feb 2024 | 450 | 70 | 0 | 2 | DL,F9,UA,WN |
| Jan 2024 | 470 | 91 | 10 | 0 | DL,F9,WN,UA |
Cancellation Rate
0.9%
109 of 11,648 flights
Diversion Rate
0.4%
45 of 11,648 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See ATL and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–DEN.
Routes with a similar on-time rate
What the Data Says About ATL to DEN
33,476 tracked flights put the ATL to DEN pairing (Atlanta to Denver) at a 79.6% on-time rate, squarely in line with the wider network. Delays that do occur run 64.8 minutes on average. Across the 1,199-mile route and its 27 carriers, the trailing 24 months show 0.9% cancelled and 0.4% diverted (11,648 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jun 2025 came in at just 61% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.