Route · CMH → BWI · 2020–2025 BTS data
Columbus to Baltimore
The CMH–BWI corridor (Columbus, OH → Baltimore, MD) runs ahead of the national average, served by 1 carrier across roughly 337 miles.
Data updated 2026-06-13
- 88.8%
- On-time
- +9.8 pts
- vs US avg
- 66 min
- Delay when late
- 5,820
- Flights
Cancelled
0.8%
Best Month
Apr 2025 97%
Worst Month
Jul 2024 80%
Distance
337 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 94 | 18 | 1 | 0 | WN |
| Nov 2025 | 90 | 12 | 0 | 0 | WN |
| Oct 2025 | 98 | 5 | 0 | 0 | WN |
| Sep 2025 | 90 | 10 | 0 | 0 | WN |
| Aug 2025 | 92 | 9 | 2 | 0 | WN |
| Jul 2025 | 92 | 14 | 7 | 0 | WN |
| Jun 2025 | 90 | 13 | 0 | 0 | WN |
| May 2025 | 88 | 7 | 0 | 0 | WN |
| Apr 2025 | 87 | 3 | 0 | 0 | WN |
| Mar 2025 | 90 | 10 | 1 | 0 | WN |
| Feb 2025 | 73 | 8 | 0 | 1 | WN |
| Jan 2025 | 77 | 4 | 5 | 0 | WN |
| Dec 2024 | 93 | 7 | 0 | 0 | WN |
| Nov 2024 | 90 | 6 | 0 | 0 | WN |
| Oct 2024 | 109 | 11 | 0 | 0 | WN |
| Sep 2024 | 104 | 5 | 0 | 0 | WN |
| Aug 2024 | 105 | 14 | 0 | 0 | WN |
| Jul 2024 | 92 | 18 | 0 | 0 | WN |
| Jun 2024 | 89 | 6 | 1 | 0 | WN |
| May 2024 | 89 | 16 | 0 | 0 | WN |
| Apr 2024 | 87 | 9 | 0 | 0 | WN |
| Mar 2024 | 90 | 10 | 0 | 0 | WN |
| Feb 2024 | 70 | 9 | 0 | 0 | WN |
| Jan 2024 | 80 | 12 | 1 | 0 | WN |
Cancellation Rate
0.8%
18 of 2,159 flights
Diversion Rate
0.0%
1 of 2,159 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 →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See CMH 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 CMH–BWI.
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What the Data Says About CMH to BWI
Columbus to Baltimore (CMH to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.8% on-time rate across 5,820 flights, with delays that do happen averaging 65.5 minutes. The corridor runs roughly 337 miles and is served by 1 carrier. Over the most recent 24 months, 18 of 2,159 flights were cancelled (0.8%) and 1 diverted (0.0%).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 97% on-time, while Jul 2024 came in at just 80% - a 16-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.