Route · MCI → IAH · 2020–2025 BTS data
Kansas City to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCI to IAH (Kansas City to Houston) ranks #2363 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.9%
- On-time
- +7.9 pts
- vs US avg
- 83 min
- Delay when late
- 5,335
- Flights
- #2363 of 4927
- Corpus placement
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 |
MCI–IAH seasonal on-time pattern
Best: November (90.3%) · weakest: June (83.3%)
Strongest calendar month
November
90.3% on-time · ~74 flights/mo
Busiest calendar month
March
~97 flights/mo avg
Weakest calendar month
June
83.3% on-time · ~71 flights/mo
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.
MCI on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See MCI and IAH side by side on delays, cancellations, and reliability.
Compare MCI vs IAHOrigin-hub reliability standing
Among MCI's stronger departures
MCI → IAH posts a 86.9% on-time rate, landing in the ≥85% band with 14 of 39 BTS-tracked routes leaving Kansas City. The same hub also shows 25 mid-band and 0 challenged departures · fleet-wide on-time rank #654 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MCI–IAH.
Routes with a similar on-time rate
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.
On the multi-year calendar, MCI–IAH peaks in November at 90.3% on-time while March carries the heaviest traffic (~97 flights per month) ; the softest month is June at 83.3%, a 7.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MCI to IAH rank among US routes by traffic? ▼
How often are flights delayed from MCI to IAH? ▼
What is the cancellation rate for MCI to IAH? ▼
How far is the flight from MCI to IAH? ▼
When is the best time to fly from MCI to IAH? ▼
Airports on this route
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.
Using MCI–IAH data
MCI–IAH runs 7.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare MCI and IAH airport profiles: delay causes and top routes differ even on the same corridor. MCI airport
- If your dates flex, November (90.3% on-time) beats June (83.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.