Route · MCI → IAH · 2020–2025 BTS data
Kansas City to Houston
The MCI–IAH corridor (Kansas City, MO → Houston, TX) runs ahead of the national average, served by 18 carriers across roughly 643 miles.
Data updated 2026-06-13
- 86.9%
- On-time
- +7.9 pts
- vs US avg
- 83 min
- Delay when late
- 5,335
- Flights
Cancelled
3.0%
Best Month
Mar 2024 90%
Worst Month
May 2024 75%
Distance
643 mi
Carriers
18
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 5 | 0 | 0 | UA |
| Nov 2025 | 33 | 5 | 1 | 0 | OO,UA |
| Oct 2025 | 31 | 3 | 0 | 0 | UA |
| Sep 2025 | 30 | 0 | 0 | 0 | UA |
| May 2025 | 72 | 10 | 1 | 0 | UA |
| Apr 2025 | 30 | 8 | 0 | 0 | UA |
| Mar 2025 | 38 | 6 | 0 | 0 | OO,UA |
| Feb 2025 | 47 | 10 | 0 | 0 | OO,UA |
| Jan 2025 | 33 | 7 | 5 | 0 | OO,UA |
| Dec 2024 | 31 | 2 | 1 | 0 | UA |
| Oct 2024 | 32 | 1 | 0 | 0 | UA,OO |
| Sep 2024 | 54 | 6 | 0 | 0 | OO,UA |
| Aug 2024 | 37 | 6 | 1 | 0 | NK,OO,UA |
| Jul 2024 | 62 | 12 | 7 | 1 | OO,UA |
| Jun 2024 | 34 | 5 | 1 | 0 | OO,UA |
| May 2024 | 51 | 13 | 6 | 3 | OO,UA |
| Apr 2024 | 30 | 4 | 0 | 0 | UA |
| Mar 2024 | 86 | 9 | 0 | 0 | UA |
| Feb 2024 | 37 | 4 | 0 | 0 | UA |
| Jan 2024 | 42 | 8 | 6 | 0 | UA |
| Dec 2023 | 46 | 6 | 0 | 0 | UA |
| Nov 2023 | 32 | 4 | 0 | 0 | OO,UA |
| Oct 2023 | 56 | 6 | 1 | 0 | OO,UA |
| Sep 2023 | 33 | 4 | 0 | 0 | UA |
Cancellation Rate
3.0%
30 of 1,008 flights
Diversion Rate
0.4%
4 of 1,008 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See MCI and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MCI–IAH.
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What the Data Says About MCI to IAH
Kansas City to Houston (MCI to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.9% on-time rate across 5,335 flights, with delays that do happen averaging 82.9 minutes. The corridor runs roughly 643 miles and is served by 18 carriers. Over the most recent 24 months, 30 of 1,008 flights were cancelled (3.0%) and 4 diverted (0.4%).
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 90% on-time, while May 2024 came in at just 75% - a 15-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.