Route · CHS → BWI · 2020–2025 BTS data
Charleston to Baltimore
The CHS–BWI corridor (Charleston, SC → Baltimore, MD) runs ahead of the national average, served by 3 carriers across roughly 472 miles.
Data updated 2026-06-13
- 83.4%
- On-time
- +4.4 pts
- vs US avg
- 56 min
- Delay when late
- 6,693
- Flights
Cancelled
1.3%
Best Month
Feb 2024 96%
Worst Month
Jul 2024 65%
Distance
472 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 102 | 18 | 2 | 0 | WN |
| Nov 2025 | 103 | 15 | 2 | 0 | WN |
| Oct 2025 | 118 | 24 | 0 | 0 | WN |
| Sep 2025 | 90 | 9 | 0 | 1 | WN |
| Aug 2025 | 99 | 18 | 1 | 0 | WN,NK |
| Jul 2025 | 117 | 31 | 6 | 1 | NK,WN |
| Jun 2025 | 119 | 19 | 3 | 1 | WN,NK |
| May 2025 | 125 | 26 | 0 | 0 | WN,NK |
| Apr 2025 | 114 | 19 | 0 | 0 | WN |
| Mar 2025 | 108 | 9 | 1 | 1 | WN |
| Feb 2025 | 80 | 7 | 0 | 0 | WN |
| Jan 2025 | 91 | 8 | 8 | 0 | WN |
| Dec 2024 | 94 | 16 | 0 | 0 | WN |
| Nov 2024 | 101 | 13 | 1 | 0 | WN |
| Oct 2024 | 110 | 12 | 0 | 0 | WN,NK |
| Sep 2024 | 107 | 15 | 0 | 0 | WN |
| Aug 2024 | 112 | 26 | 6 | 0 | NK,WN |
| Jul 2024 | 108 | 38 | 0 | 0 | WN |
| Jun 2024 | 107 | 24 | 0 | 0 | WN |
| May 2024 | 119 | 21 | 0 | 1 | WN |
| Apr 2024 | 113 | 11 | 0 | 0 | WN |
| Mar 2024 | 106 | 18 | 0 | 0 | WN |
| Feb 2024 | 83 | 3 | 0 | 0 | WN |
| Jan 2024 | 89 | 15 | 2 | 0 | WN |
Cancellation Rate
1.3%
32 of 2,515 flights
Diversion Rate
0.2%
5 of 2,515 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 →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See CHS and BWI 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–BWI.
Routes with a similar on-time rate
What the Data Says About CHS to BWI
Bureau of Transportation Statistics records show Charleston to Baltimore (CHS to BWI) running a 83.4% on-time rate over 6,693 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.4 minutes. The 472-mile corridor is served by 3 carriers, and over the last 24 months 1.3% of 2,515 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 96% on-time, while Jul 2024 came in at just 65% - a 32-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.