Route · CHS → DEN · 2020–2025 BTS data
Charleston to Denver
The CHS–DEN corridor (Charleston, SC → Denver, CO) runs behind the national average, served by 15 carriers across roughly 1,449 miles.
Data updated 2026-06-13
- 76.8%
- On-time
- -2.2 pts
- vs US avg
- 68 min
- Delay when late
- 3,778
- Flights
Cancelled
0.8%
Best Month
Oct 2024 96%
Worst Month
Oct 2025 54%
Distance
1,449 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 46 | 14 | 0 | 0 | WN,UA |
| Nov 2025 | 48 | 8 | 1 | 0 | UA,WN |
| Oct 2025 | 52 | 24 | 0 | 0 | UA,WN |
| Sep 2025 | 47 | 15 | 0 | 0 | UA,WN |
| Aug 2025 | 50 | 22 | 0 | 3 | WN,UA |
| Jul 2025 | 62 | 25 | 0 | 6 | UA,WN |
| Jun 2025 | 60 | 25 | 1 | 1 | UA,WN |
| May 2025 | 62 | 25 | 0 | 0 | UA,WN |
| Apr 2025 | 60 | 20 | 0 | 2 | UA,WN |
| Mar 2025 | 62 | 15 | 0 | 0 | UA,WN |
| Feb 2025 | 56 | 10 | 0 | 0 | UA,WN |
| Jan 2025 | 60 | 12 | 5 | 0 | UA,WN |
| Dec 2024 | 48 | 9 | 0 | 0 | UA,WN |
| Nov 2024 | 51 | 13 | 0 | 0 | UA,WN |
| Oct 2024 | 53 | 2 | 0 | 0 | UA,WN |
| Sep 2024 | 64 | 12 | 0 | 0 | WN,UA |
| Aug 2024 | 65 | 11 | 1 | 2 | WN,UA |
| Jul 2024 | 62 | 12 | 2 | 1 | UA,WN |
| Jun 2024 | 60 | 13 | 0 | 2 | UA,WN |
| May 2024 | 62 | 18 | 0 | 2 | UA,WN |
| Apr 2024 | 57 | 10 | 0 | 0 | UA,WN |
| Mar 2024 | 62 | 12 | 1 | 0 | UA,WN |
| Feb 2024 | 58 | 11 | 0 | 0 | UA,WN |
| Jan 2024 | 61 | 14 | 0 | 0 | WN,UA |
Cancellation Rate
0.8%
11 of 1,368 flights
Diversion Rate
1.4%
19 of 1,368 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See CHS 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 CHS–DEN.
Routes with a similar on-time rate
What the Data Says About CHS to DEN
The Charleston to Denver corridor (CHS to DEN) posts a 76.8% on-time rate on the lower edge of the average band, based on 3,778 tracked flights. Late flights run 67.7 minutes behind on average. 15 carriers cover the 1,449-mile route; over the last 24 months, 11 of 1,368 flights were cancelled (0.8%) and 1.4% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 96% on-time, while Oct 2025 came in at just 54% - a 42-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from CHS to DEN? ▼
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Flight Guides
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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.