Best Time to Fly HOU to MCI: On-Time Stats by Hour & Airline
William P Hobby → Kansas City International
Data through July 2026 · Last updated October 18, 2026
1,002 flights were scheduled from Houston (HOU) to Kansas City (MCI) in the last 12 months, and 76.4% of those that flew arrived on time, 1.2 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (85% on time) and June the worst month (63%).
The cancellation rate was 0.3% (US average 1.8%).
HOU to MCI on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 76.4% | 50 min | 0.3% | 1,002 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to MCI
On-time arrival % by scheduled departure hour (local time), 1,982 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 92.3% | 0.6% | 171 |
| 8am–9am | 91.6% | 1.2% | 410 |
| 9am–10am | 89.7% | 0.8% | 118 |
| 10am–11am | Limited data | 8 | |
| 11am–12pm | 85.4% | 0.0% | 41 |
| 12pm–1pm | Limited data | 16 | |
| 1pm–2pm | 74.0% | 0.0% | 50 |
| 2pm–3pm | 69.0% | 0.0% | 213 |
| 3pm–4pm | 81.3% | 0.6% | 156 |
| 4pm–5pm | 63.3% | 0.0% | 60 |
| 5pm–6pm | 77.5% | 0.0% | 40 |
| 6pm–7pm | 91.4% | 0.0% | 35 |
| 7pm–8pm | Limited data | 26 | |
| 8pm–9pm | 77.9% | 0.5% | 200 |
| 9pm–10pm | 72.4% | 0.0% | 228 |
| 10pm–11pm | 60.4% | 2.4% | 210 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HOU to MCI
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 76.5% | -4.9 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.5% | -2.9 pts | 0.0% | 79 |
| Summer peak (Jun 15 - Aug 15) | 70.7% | -10.7 pts | 0.6% | 360 |
| All other days | 81.3% | — | 0.8% | 1,508 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).