Best Time to Fly CMH to HOU: On-Time Stats by Hour & Airline
John Glenn Columbus International → William P Hobby
Data through July 2026 · Last updated October 18, 2026
354 flights were scheduled from Columbus (CMH) to Houston (HOU) in the last 12 months, and 81.0% of those that flew arrived on time, 3.4 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
November has been the best month (90% on time) and Sunday the weakest day of the week (73%).
0.3% of flights were cancelled, versus 1.8% nationally.
CMH to HOU 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 | 81.0% | 59 min | 0.3% | 354 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CMH to HOU
On-time arrival % by scheduled departure hour (local time), 715 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 7am–8am | 92.1% | 0.0% | 39 |
| 8am–9am | 94.6% | 0.0% | 37 |
| 9am–10am | 90.5% | 0.0% | 63 |
| 10am–11am | 90.2% | 0.0% | 41 |
| 11am–12pm | 83.3% | 2.7% | 37 |
| 12pm–1pm | 92.3% | 2.5% | 40 |
| 1pm–2pm | 88.8% | 0.0% | 98 |
| 2pm–3pm | 74.1% | 0.0% | 81 |
| 3pm–4pm | 65.8% | 0.0% | 41 |
| 4pm–5pm | Limited data | 23 | |
| 5pm–6pm | 86.6% | 2.4% | 84 |
| 6pm–7pm | Limited data | 28 | |
| 7pm–8pm | 66.3% | 0.0% | 86 |
| 8pm–9pm | Limited data | 12 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CMH to HOU
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) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 83.3% | +0.8 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 80.8% | -1.7 pts | 0.0% | 125 |
| All other days | 82.5% | — | 0.7% | 548 |
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).