Route Reliability
Houston → Kansas City
IAH–MCI · 643 miles · George Bush Intercontinental Airport to Kansas City International Airport
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,527
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 83% of the time across 1,527 flights. No comparison to make.
What the data says
Morning flights do better here.
IAH–MCI flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 73% between 6–9 PM.
Monday is the weak spot.
IAH–MCI flights arrived on time 87% of the time on Tuesdays. On Mondays: 80%.
Slipping a little lately.
IAH–MCI flights arrived on time 84% of the time over the last three months in the data, compared with 89% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon80%(224 flights)
- Tue87%(209 flights)
- Wed85%(214 flights)
- Thu85%(226 flights)
- Fri81%(228 flights)
- Sat81%(187 flights)
- Sun82%(220 flights)
- 6–9 AM88%(171 flights)
- 9 AM–12 PM89%(337 flights)
- 12–3 PM84%(635 flights)
- 3–6 PM—(2 flights)
- 6–9 PM73%(361 flights)
- 9 PM–12 AM—(2 flights)
Jun 66% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 111 |
| July 2025 | 69% | 111 |
| August 2025 | 71% | 116 |
| September 2025 | 91% | 116 |
| October 2025 | 87% | 127 |
| November 2025 | 85% | 135 |
| December 2025 | 86% | 134 |
| January 2026 | 88% | 136 |
| February 2026 | 95% | 130 |
| March 2026 | 79% | 137 |
| April 2026 | 90% | 136 |
| May 2026 | 82% | 119 |
Same trip, other airports
Keep nerding
Based on 1,527 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.