Route · CMH → MDW · 2020–2025 BTS data
Columbus to Chicago
The CMH–MDW corridor (Columbus, OH → Chicago, IL) runs ahead of the national average, served by 1 carrier across roughly 283 miles.
Data updated 2026-06-13
- 85.2%
- On-time
- +6.2 pts
- vs US avg
- 62 min
- Delay when late
- 7,917
- Flights
Cancelled
1.0%
Best Month
Oct 2024 94%
Worst Month
Jul 2025 72%
Distance
283 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 106 | 28 | 0 | 0 | WN |
| Nov 2025 | 103 | 16 | 4 | 0 | WN |
| Oct 2025 | 119 | 18 | 0 | 0 | WN |
| Sep 2025 | 115 | 7 | 0 | 0 | WN |
| Aug 2025 | 121 | 12 | 0 | 0 | WN |
| Jul 2025 | 131 | 37 | 1 | 0 | WN |
| Jun 2025 | 125 | 26 | 0 | 0 | WN |
| May 2025 | 91 | 10 | 0 | 0 | WN |
| Apr 2025 | 89 | 10 | 0 | 0 | WN |
| Mar 2025 | 89 | 15 | 1 | 0 | WN |
| Feb 2025 | 82 | 9 | 0 | 0 | WN |
| Jan 2025 | 94 | 15 | 2 | 0 | WN |
| Dec 2024 | 106 | 20 | 0 | 0 | WN |
| Nov 2024 | 105 | 15 | 0 | 0 | WN |
| Oct 2024 | 116 | 7 | 2 | 0 | WN |
| Sep 2024 | 115 | 10 | 0 | 0 | WN |
| Aug 2024 | 119 | 13 | 0 | 0 | WN |
| Jul 2024 | 119 | 16 | 2 | 0 | WN |
| Jun 2024 | 115 | 22 | 0 | 0 | WN |
| May 2024 | 129 | 31 | 0 | 0 | WN |
| Apr 2024 | 120 | 21 | 0 | 0 | WN |
| Mar 2024 | 108 | 28 | 0 | 1 | WN |
| Feb 2024 | 95 | 10 | 0 | 0 | WN |
| Jan 2024 | 107 | 20 | 14 | 0 | WN |
Cancellation Rate
1.0%
26 of 2,619 flights
Diversion Rate
0.0%
1 of 2,619 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CMH - Columbus
Full on-time, delay-cause, and seasonal performance for Columbus, OH.
Origin airport →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See CMH 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 CMH–MDW.
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What the Data Says About CMH to MDW
Columbus to Chicago (CMH to MDW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.2% on-time rate across 7,917 flights, with delays that do happen averaging 61.7 minutes. The corridor runs roughly 283 miles and is served by 1 carrier. Over the most recent 24 months, 26 of 2,619 flights were cancelled (1.0%) and 1 diverted (0.0%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Jul 2025 came in at just 72% - a 22-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.