Route Reliability
Kansas City → Houston
MCI–IAH · 643 miles · Kansas City International Airport to George Bush Intercontinental Airport
- 86%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 1.2%
- Cancelled
- 1,526
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 86% of the time across 1,526 flights. No comparison to make.
What the data says
Morning flights do better here.
MCI–IAH flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 78% between 12–3 PM.
Saturday is the weak spot.
MCI–IAH flights arrived on time 93% of the time on Wednesdays. On Saturdays: 81%.
Recent months have been rougher.
MCI–IAH flights arrived on time 82% of the time over the last three months in the data, compared with 91% 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
- Mon86%(222 flights)
- Tue88%(209 flights)
- Wed93%(212 flights)
- Thu83%(227 flights)
- Fri84%(227 flights)
- Sat81%(186 flights)
- Sun85%(218 flights)
- 6–9 AM87%(711 flights)
- 9 AM–12 PM92%(116 flights)
- 12–3 PM78%(80 flights)
- 3–6 PM83%(496 flights)
- 6–9 PM86%(98 flights)
Jun 75% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 110 |
| July 2025 | 86% | 110 |
| August 2025 | 85% | 116 |
| September 2025 | 92% | 117 |
| October 2025 | 86% | 127 |
| November 2025 | 85% | 134 |
| December 2025 | 88% | 131 |
| January 2026 | 90% | 136 |
| February 2026 | 96% | 130 |
| March 2026 | 84% | 137 |
| April 2026 | 82% | 134 |
| May 2026 | 80% | 119 |
Same trip, other airports
Keep nerding
Based on 1,526 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.