Route · IAH → MCI · 2020–2025 BTS data
Houston to Kansas City
The IAH–MCI corridor (Houston, TX → Kansas City, MO) runs ahead of the national average, served by 16 carriers across roughly 643 miles.
Data updated 2026-06-13
- 82.3%
- On-time
- +3.3 pts
- vs US avg
- 82 min
- Delay when late
- 5,354
- Flights
Cancelled
2.4%
Best Month
Oct 2023 84%
Worst Month
Jul 2024 65%
Distance
643 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 4 | 0 | 0 | UA |
| Nov 2025 | 33 | 8 | 0 | 0 | OO,UA |
| Oct 2025 | 31 | 8 | 0 | 0 | UA |
| Sep 2025 | 30 | 4 | 0 | 0 | UA |
| May 2025 | 72 | 18 | 1 | 0 | UA |
| Apr 2025 | 31 | 9 | 0 | 0 | UA |
| Mar 2025 | 34 | 11 | 0 | 0 | OO,UA |
| Feb 2025 | 48 | 11 | 0 | 0 | OO,UA |
| Jan 2025 | 32 | 7 | 5 | 0 | OO,UA |
| Dec 2024 | 32 | 8 | 1 | 0 | OO,UA |
| Oct 2024 | 32 | 5 | 0 | 0 | UA,OO |
| Sep 2024 | 53 | 9 | 0 | 0 | OO,UA |
| Aug 2024 | 36 | 13 | 1 | 0 | OO,UA |
| Jul 2024 | 62 | 22 | 5 | 0 | OO,UA |
| Jun 2024 | 34 | 13 | 1 | 0 | OO,UA |
| May 2024 | 50 | 18 | 4 | 1 | OO,UA |
| Apr 2024 | 30 | 13 | 0 | 0 | UA |
| Mar 2024 | 90 | 19 | 0 | 0 | UA |
| Feb 2024 | 37 | 4 | 0 | 0 | UA |
| Jan 2024 | 42 | 11 | 6 | 0 | UA |
| Dec 2023 | 47 | 9 | 0 | 0 | UA,OO |
| Nov 2023 | 32 | 6 | 0 | 0 | OO,UA |
| Oct 2023 | 56 | 9 | 0 | 0 | OO,UA |
| Sep 2023 | 34 | 12 | 0 | 0 | OO,UA |
Cancellation Rate
2.4%
24 of 1,009 flights
Diversion Rate
0.1%
1 of 1,009 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 →MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Destination airport →Compare the two airports
See IAH and MCI 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–MCI.
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What the Data Says About IAH to MCI
Bureau of Transportation Statistics records show Houston to Kansas City (IAH to MCI) running a 82.3% on-time rate over 5,354 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 82.3 minutes. The 643-mile corridor is served by 16 carriers, and over the last 24 months 2.4% of 1,009 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Oct 2023 posted the strongest performance at 84% on-time, while Jul 2024 came in at just 65% - a 19-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.