Route · IAH → CMH · 2020–2025 BTS data
Houston to Columbus
The IAH–CMH corridor (Houston, TX → Columbus, OH) runs ahead of the national average, served by 12 carriers across roughly 986 miles.
Data updated 2026-06-13
- 79.7%
- On-time
- +0.7 pts
- vs US avg
- 74 min
- Delay when late
- 4,228
- Flights
Cancelled
1.3%
Best Month
Jan 2025 92%
Worst Month
Jun 2025 58%
Distance
986 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 41 | 11 | 0 | 0 | UA |
| Nov 2025 | 59 | 10 | 0 | 0 | UA |
| Oct 2025 | 62 | 16 | 0 | 0 | UA |
| Sep 2025 | 56 | 7 | 0 | 0 | UA |
| Aug 2025 | 53 | 17 | 1 | 0 | UA |
| Jul 2025 | 53 | 19 | 0 | 0 | UA |
| Jun 2025 | 55 | 23 | 0 | 1 | UA |
| May 2025 | 38 | 14 | 1 | 0 | UA |
| Apr 2025 | 30 | 5 | 0 | 0 | UA |
| Mar 2025 | 31 | 6 | 0 | 0 | UA |
| Feb 2025 | 38 | 7 | 0 | 0 | UA |
| Jan 2025 | 53 | 4 | 2 | 0 | UA |
| Dec 2024 | 47 | 13 | 1 | 0 | UA |
| Nov 2024 | 57 | 9 | 0 | 0 | UA |
| Oct 2024 | 58 | 10 | 0 | 0 | UA |
| Sep 2024 | 56 | 6 | 0 | 0 | UA |
| Aug 2024 | 60 | 9 | 0 | 0 | UA |
| Jul 2024 | 61 | 23 | 6 | 0 | UA |
| Jun 2024 | 58 | 24 | 2 | 0 | UA |
| May 2024 | 40 | 21 | 0 | 0 | OO,UA |
| Apr 2024 | 30 | 15 | 0 | 0 | UA |
| Mar 2024 | 36 | 6 | 0 | 1 | UA |
| Feb 2024 | 56 | 12 | 0 | 0 | UA |
| Jan 2024 | 60 | 18 | 2 | 0 | UA |
Cancellation Rate
1.3%
15 of 1,188 flights
Diversion Rate
0.2%
2 of 1,188 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →CMH - Columbus
Full on-time, delay-cause, and seasonal performance for Columbus, OH.
Destination airport →Compare the two airports
See IAH and CMH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–CMH.
Routes with a similar on-time rate
What the Data Says About IAH to CMH
4,228 tracked flights put the IAH to CMH pairing (Houston to Columbus) at a 79.7% on-time rate, squarely in line with the wider network. Delays that do occur run 73.8 minutes on average. Across the 986-mile route and its 12 carriers, the trailing 24 months show 1.3% cancelled and 0.2% diverted (1,188 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 92% on-time, while Jun 2025 came in at just 58% - a 34-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.