Route · COS → ATL · 2020–2025 BTS data
Colorado Springs to Atlanta
The COS–ATL corridor (Colorado Springs, CO → Atlanta, GA) runs ahead of the national average, served by 1 carrier across roughly 1,184 miles.
Data updated 2026-06-13
- 86.6%
- On-time
- +7.6 pts
- vs US avg
- 95 min
- Delay when late
- 1,129
- Flights
Cancelled
1.1%
Best Month
Oct 2025 98%
Worst Month
Nov 2024 71%
Distance
1,184 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 33 | 5 | 1 | 0 | DL |
| Nov 2025 | 52 | 5 | 2 | 0 | DL |
| Oct 2025 | 54 | 1 | 1 | 0 | DL |
| Sep 2025 | 49 | 2 | 0 | 0 | DL |
| Aug 2025 | 54 | 5 | 2 | 1 | DL |
| Jul 2025 | 57 | 6 | 0 | 2 | DL |
| Jun 2025 | 54 | 8 | 0 | 2 | DL |
| May 2025 | 47 | 6 | 0 | 0 | DL |
| Apr 2025 | 42 | 8 | 0 | 0 | DL |
| Mar 2025 | 41 | 7 | 0 | 0 | DL |
| Jan 2025 | 31 | 8 | 2 | 0 | DL |
| Dec 2024 | 34 | 3 | 0 | 0 | DL |
| Nov 2024 | 52 | 15 | 0 | 0 | DL |
| Oct 2024 | 51 | 6 | 0 | 0 | DL |
| Sep 2024 | 46 | 3 | 0 | 0 | DL |
| Aug 2024 | 40 | 5 | 0 | 0 | DL |
| Jul 2024 | 55 | 14 | 3 | 0 | DL |
| Jun 2024 | 30 | 0 | 0 | 0 | DL |
| May 2024 | 31 | 5 | 0 | 0 | DL |
| Apr 2024 | 30 | 3 | 0 | 0 | DL |
| Mar 2024 | 31 | 4 | 0 | 0 | DL |
| Jan 2024 | 31 | 6 | 0 | 1 | DL |
| Dec 2023 | 31 | 7 | 0 | 0 | DL |
| Nov 2023 | 30 | 1 | 0 | 0 | DL |
Cancellation Rate
1.1%
11 of 1,006 flights
Diversion Rate
0.6%
6 of 1,006 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
COS - Colorado Springs
Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.
Origin airport →ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Destination airport →Compare the two airports
See COS and ATL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
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What the Data Says About COS to ATL
Colorado Springs to Atlanta (COS to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.6% on-time rate across 1,129 flights, with delays that do happen averaging 95.3 minutes. The corridor runs roughly 1,184 miles and is served by 1 carrier. Over the most recent 24 months, 11 of 1,006 flights were cancelled (1.1%) and 6 diverted (0.6%).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 98% on-time, while Nov 2024 came in at just 71% - a 27-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.