Route · DEN → CHS · 2020–2025 BTS data
Denver to Charleston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to CHS (Denver to Charleston) ranks #2990 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 72.2%
- On-time
- -6.8 pts
- vs US avg
- 57 min
- Delay when late
- 3,778
- Flights
- #2990 of 4927
- Corpus placement
Cancelled
0.7%
Best Month
Oct 2024 91%
Worst Month
Jul 2025 63%
Distance
1,449 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 46 | 7 | 0 | 0 | WN,UA |
| Nov 2025 | 48 | 8 | 0 | 0 | UA,WN |
| Oct 2025 | 52 | 17 | 0 | 0 | UA,WN |
| Sep 2025 | 47 | 8 | 0 | 0 | UA,WN |
| Aug 2025 | 50 | 15 | 0 | 0 | WN,UA |
| Jul 2025 | 62 | 23 | 0 | 2 | UA,WN |
| Jun 2025 | 60 | 19 | 0 | 0 | UA,WN |
| May 2025 | 62 | 20 | 0 | 0 | UA,WN |
| Apr 2025 | 60 | 18 | 0 | 0 | UA,WN |
| Mar 2025 | 62 | 10 | 0 | 0 | UA,WN |
| Feb 2025 | 56 | 12 | 0 | 0 | UA,WN |
| Jan 2025 | 60 | 14 | 5 | 0 | UA,WN |
| Dec 2024 | 48 | 10 | 0 | 0 | UA,WN |
| Nov 2024 | 51 | 9 | 0 | 0 | UA,WN |
| Oct 2024 | 53 | 5 | 0 | 0 | UA,WN |
| Sep 2024 | 64 | 12 | 0 | 0 | WN,UA |
| Aug 2024 | 65 | 14 | 2 | 0 | WN,UA |
| Jul 2024 | 62 | 15 | 1 | 0 | UA,WN |
| Jun 2024 | 60 | 15 | 0 | 0 | UA,WN |
| May 2024 | 62 | 8 | 0 | 0 | UA,WN |
| Apr 2024 | 57 | 7 | 0 | 0 | UA,WN |
| Mar 2024 | 62 | 12 | 0 | 0 | UA,WN |
| Feb 2024 | 58 | 14 | 0 | 0 | UA,WN |
| Jan 2024 | 61 | 16 | 1 | 1 | WN,UA |
DEN–CHS seasonal on-time pattern
Best: November (80.3%) · weakest: July (63.0%)
Strongest calendar month
November
80.3% on-time · ~55 flights/mo
Busiest calendar month
July
~69 flights/mo avg
Weakest calendar month
July
63.0% on-time · ~69 flights/mo
Cancellation Rate
0.7%
9 of 1,368 flights
Diversion Rate
0.2%
3 of 1,368 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 profileCHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
CHS on-time profileCompare the two airports
See DEN and CHS side by side on delays, cancellations, and reliability.
Compare DEN vs CHSOrigin-hub reliability standing
Softer reliability from DEN
Among 168 routes leaving DEN, only 27 (including this one) clear below 75% on-time, while 8 stay ≥85% and 133 sit mid-band. Travelers comparing DEN options should weigh this 72.2% print against those peers · fleet on-time rank #4741 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–CHS.
Routes with a similar on-time rate
What the Data Says About DEN to CHS
On-time performance on the DEN to CHS pairing (Denver to Charleston) trails a chunk of the network: 72.2% of 3,778 tracked flights arrived on schedule, with a 57.3-minute average delay on the ones that ran late. The route spans about 1,449 miles across 14 carriers. Cancellations over the trailing 24 months hit 0.7% (9 of 1,368 flights), with 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 63% - a 28-point swing worth factoring into travel timing.
On the multi-year calendar, DEN–CHS peaks in November at 80.3% on-time while July carries the heaviest traffic (~69 flights per month) ; the softest month is July at 63.0%, a 17.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to CHS rank among US routes by traffic? ▼
How often are flights delayed from DEN to CHS? ▼
What is the cancellation rate for DEN to CHS? ▼
How far is the flight from DEN to CHS? ▼
When is the best time to fly from DEN to CHS? ▼
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–CHS data
DEN–CHS sits 6.8 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare DEN and CHS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, November (80.3% on-time) beats July (63.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 72.2% 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.