Route · DEN → ATL · 2020–2025 BTS data
Denver to Atlanta
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to ATL (Denver to Atlanta) ranks #90 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.3%
- On-time
- +0.3 pts
- vs US avg
- 68 min
- Delay when late
- 33,372
- Flights
- #90 of 4927
- Corpus placement
Cancelled
0.8%
Best Month
Nov 2025 91%
Worst Month
Apr 2025 66%
Distance
1,199 mi
Carriers
25
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 459 | 117 | 5 | 1 | DL,WN,F9,UA |
| Nov 2025 | 450 | 42 | 7 | 2 | UA,DL,F9,WN |
| Oct 2025 | 474 | 76 | 0 | 2 | DL,UA,WN,F9 |
| Sep 2025 | 450 | 68 | 0 | 0 | UA,WN,DL,F9 |
| Aug 2025 | 495 | 108 | 4 | 1 | WN,F9,UA,DL |
| Jul 2025 | 525 | 153 | 4 | 5 | DL,UA,WN,F9 |
| Jun 2025 | 506 | 160 | 4 | 6 | DL,UA,WN,F9 |
| May 2025 | 475 | 131 | 2 | 3 | DL,UA,WN,F9 |
| Apr 2025 | 443 | 152 | 3 | 1 | DL,F9,UA,WN |
| Mar 2025 | 447 | 81 | 0 | 1 | DL,UA,WN,F9 |
| Feb 2025 | 396 | 87 | 0 | 0 | DL,UA,WN,F9 |
| Jan 2025 | 441 | 111 | 16 | 0 | DL,UA,WN,F9 |
| Dec 2024 | 486 | 66 | 0 | 1 | DL,F9,UA,WN |
| Nov 2024 | 465 | 87 | 2 | 0 | UA,WN,DL,F9 |
| Oct 2024 | 502 | 87 | 0 | 0 | UA,WN,DL,F9 |
| Sep 2024 | 493 | 79 | 1 | 1 | WN,UA,DL,F9 |
| Aug 2024 | 521 | 107 | 3 | 1 | DL,F9,WN,UA |
| Jul 2024 | 554 | 166 | 28 | 4 | DL,F9,UA,WN |
| Jun 2024 | 541 | 120 | 1 | 0 | DL,F9,UA,WN |
| May 2024 | 555 | 150 | 1 | 1 | DL,F9,UA,WN |
| Apr 2024 | 530 | 110 | 0 | 0 | DL,F9,UA,WN |
| Mar 2024 | 509 | 90 | 3 | 0 | DL,F9,UA,WN |
| Feb 2024 | 461 | 90 | 0 | 0 | DL,F9,UA,WN |
| Jan 2024 | 481 | 104 | 11 | 1 | DL,F9,WN,UA |
DEN–ATL seasonal on-time pattern
Best: September (85.9%) · weakest: July (72.6%)
Strongest calendar month
September
85.9% on-time · ~471 flights/mo
Busiest calendar month
July
~507 flights/mo avg
Weakest calendar month
July
72.6% on-time · ~507 flights/mo
Cancellation Rate
0.8%
95 of 11,659 flights
Diversion Rate
0.3%
31 of 11,659 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.
DEN on-time profileATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL on-time profileCompare the two airports
See DEN and ATL side by side on delays, cancellations, and reliability.
Compare DEN vs ATLOrigin-hub reliability standing
Mid-pack among DEN departures
From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Atlanta · fleet on-time rank #3399 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–ATL.
Routes with a similar on-time rate
What the Data Says About DEN to ATL
33,372 tracked flights put the DEN to ATL pairing (Denver to Atlanta) at a 79.3% on-time rate, squarely in line with the wider network. Delays that do occur run 67.5 minutes on average. Across the 1,199-mile route and its 25 carriers, the trailing 24 months show 0.8% cancelled and 0.3% diverted (11,659 flights sampled).
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 91% on-time, while Apr 2025 came in at just 66% - a 25-point swing worth factoring into travel timing.
On the multi-year calendar, DEN–ATL peaks in September at 85.9% on-time while July carries the heaviest traffic (~507 flights per month) ; the softest month is July at 72.6%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to ATL rank among US routes by traffic? ▼
How often are flights delayed from DEN to ATL? ▼
What is the cancellation rate for DEN to ATL? ▼
How far is the flight from DEN to ATL? ▼
When is the best time to fly from DEN to ATL? ▼
Airports on this route
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.
Using DEN–ATL data
DEN–ATL is mid-pack at 79.3% on-time; month and carrier mix move more than the corridor headline.
- Compare DEN and ATL airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, September (85.9% on-time) beats July (72.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.