Route · DCA → CHS · 2020–2025 BTS data
Washington to Charleston
The DCA–CHS corridor (Washington, DC → Charleston, SC) runs behind the national average, served by 24 carriers across roughly 444 miles.
Data updated 2026-06-13
- 78.8%
- On-time
- -0.2 pts
- vs US avg
- 73 min
- Delay when late
- 8,767
- Flights
Cancelled
3.5%
Best Month
Feb 2024 90%
Worst Month
Dec 2025 61%
Distance
444 mi
Carriers
24
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 144 | 56 | 5 | 0 | YX,OH,AA,MQ |
| Nov 2025 | 143 | 42 | 3 | 0 | MQ,OH,AA,YX |
| Oct 2025 | 151 | 36 | 1 | 0 | AA,OH,YX |
| Sep 2025 | 145 | 42 | 0 | 0 | OH,YX,AA |
| Aug 2025 | 149 | 39 | 6 | 0 | AA,YX,OH |
| Jul 2025 | 150 | 50 | 12 | 1 | AA,OH,YX |
| Jun 2025 | 150 | 48 | 7 | 0 | AA,OH,YX,MQ |
| May 2025 | 180 | 56 | 2 | 0 | AA,OH,YX |
| Apr 2025 | 176 | 41 | 0 | 0 | OH,YX,AA |
| Mar 2025 | 176 | 39 | 4 | 0 | AA,OH,YX |
| Feb 2025 | 160 | 49 | 29 | 0 | OH,YX |
| Jan 2025 | 166 | 38 | 30 | 1 | OH,YX |
| Dec 2024 | 144 | 23 | 5 | 0 | AA,MQ,OH,YX |
| Nov 2024 | 139 | 15 | 0 | 0 | MQ,YX,OH,AA |
| Oct 2024 | 151 | 24 | 0 | 0 | MQ,YX,AA,OH |
| Sep 2024 | 147 | 23 | 1 | 0 | YX,OH,AA,MQ |
| Aug 2024 | 154 | 38 | 8 | 0 | AA,OH,YX |
| Jul 2024 | 154 | 45 | 9 | 0 | AA,OH,YX |
| Jun 2024 | 150 | 15 | 0 | 0 | AA,OH,YX |
| May 2024 | 154 | 40 | 0 | 0 | AA,MQ,OH,YX |
| Apr 2024 | 145 | 37 | 0 | 2 | AA,MQ,OH,YX |
| Mar 2024 | 149 | 30 | 0 | 0 | AA,MQ,OH,YX |
| Feb 2024 | 141 | 14 | 1 | 0 | MQ,OH,YX |
| Jan 2024 | 137 | 31 | 6 | 0 | YX,OH |
Cancellation Rate
3.5%
129 of 3,655 flights
Diversion Rate
0.1%
4 of 3,655 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Destination airport →Compare the two airports
See DCA and CHS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DCA–CHS.
Routes with a similar on-time rate
What the Data Says About DCA to CHS
8,767 tracked flights put the DCA to CHS pairing (Washington to Charleston) at a 78.8% on-time rate, squarely in line with the wider network. Delays that do occur run 73.1 minutes on average. Across the 444-mile route and its 24 carriers, the trailing 24 months show 3.5% cancelled and 0.1% diverted (3,655 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 61% - a 29-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.