Route · CHS → MDW · 2020–2025 BTS data
Charleston to Chicago
The CHS–MDW corridor (Charleston, SC → Chicago, IL) runs ahead of the national average, served by 1 carrier across roughly 745 miles.
Data updated 2026-06-13
- 85.8%
- On-time
- +6.8 pts
- vs US avg
- 59 min
- Delay when late
- 3,033
- Flights
Cancelled
1.0%
Best Month
Mar 2024 93%
Worst Month
Jul 2023 78%
Distance
745 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 35 | 6 | 0 | 0 | WN |
| Sep 2025 | 34 | 2 | 0 | 0 | WN |
| Aug 2025 | 36 | 2 | 0 | 0 | WN |
| Jul 2025 | 39 | 5 | 0 | 0 | WN |
| Jun 2025 | 39 | 3 | 0 | 0 | WN |
| May 2025 | 35 | 5 | 0 | 0 | WN |
| Apr 2025 | 35 | 5 | 0 | 0 | WN |
| Mar 2025 | 37 | 5 | 1 | 0 | WN |
| Oct 2024 | 35 | 0 | 0 | 0 | WN |
| Sep 2024 | 34 | 3 | 0 | 0 | WN |
| Aug 2024 | 36 | 4 | 2 | 0 | WN |
| Jul 2024 | 39 | 8 | 0 | 0 | WN |
| Jun 2024 | 40 | 9 | 0 | 0 | WN |
| May 2024 | 57 | 7 | 1 | 0 | WN |
| Apr 2024 | 57 | 8 | 0 | 0 | WN |
| Mar 2024 | 57 | 4 | 0 | 0 | WN |
| Feb 2024 | 33 | 4 | 0 | 0 | WN |
| Jan 2024 | 35 | 8 | 1 | 0 | WN |
| Dec 2023 | 39 | 0 | 2 | 0 | WN |
| Nov 2023 | 36 | 3 | 0 | 1 | WN |
| Oct 2023 | 51 | 5 | 0 | 0 | WN |
| Sep 2023 | 56 | 10 | 0 | 0 | WN |
| Aug 2023 | 62 | 11 | 3 | 0 | WN |
| Jul 2023 | 60 | 13 | 0 | 0 | WN |
Cancellation Rate
1.0%
10 of 1,017 flights
Diversion Rate
0.1%
1 of 1,017 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 →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See CHS and MDW 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–MDW.
Routes with a similar on-time rate
What the Data Says About CHS to MDW
Charleston to Chicago (CHS to MDW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 3,033 flights, with delays that do happen averaging 59.4 minutes. The corridor runs roughly 745 miles and is served by 1 carrier. Over the most recent 24 months, 10 of 1,017 flights were cancelled (1.0%) and 1 diverted (0.1%).
Monthly performance varies moderately here: Mar 2024 was the strongest month at 93% on-time versus Jul 2023 at 78%, a 15-point difference.
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.