IAH to MCI flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Kansas City International Airport · 643 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or MCI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Kansas City (MCI) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- Departures scheduled around 11am did best (88% on time); around 7pm did worst (53%).
- Tuesday was the most reliable day to fly (81% on time) and Monday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from IAH to MCI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 100% | 0.0% | 0 min | 0.0% | 6 |
| United Airlines | 76% | 0.4% | 14 min | 6.1% | 480 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am85%72 flights
- 11am88%41 flights
- 12pm92%12 flights
- 7pm53%15 flights
- 8pm74%341 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.0% cancelled
- Tuesday81%0.0% cancelled
- Wednesday78%0.0% cancelled
- Thursday79%1.4% cancelled
- Friday77%1.5% cancelled
- Saturday74%0.0% cancelled
- Sunday76%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion11%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
IAH to MCI: common questions
- How often are IAH to MCI flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Kansas City cancelled?
- 0.4% of scheduled flights were cancelled (2 of 486).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MCI to IAH — 86% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → MCI, nonstop flights by US airlines that report to the DOT. How we calculate this.