Best Time to Fly HOU to TPA: On-Time Stats by Hour & Airline
William P Hobby → Tampa International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.3% of Houston (HOU) to Tampa (TPA) flights arrived on time (1,012 scheduled flights). That is 3.3 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (81% on time) and July the worst month (69%).
The cancellation rate was 0.4% (US average 1.8%).
HOU to TPA 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 | 74.3% | 51 min | 0.4% | 1,012 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to TPA
On-time arrival % by scheduled departure hour (local time), 1,988 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.5% | 1.0% | 192 |
| 6am–7am | 97.4% | 0.0% | 152 |
| 7am–8am | 87.5% | 2.0% | 49 |
| 8am–9am | 92.5% | 0.0% | 40 |
| 10am–11am | 82.1% | 1.4% | 285 |
| 11am–12pm | 86.8% | 2.3% | 263 |
| 12pm–1pm | Limited data | 9 | |
| 1pm–2pm | 91.9% | 1.6% | 63 |
| 2pm–3pm | 50.8% | 1.5% | 130 |
| 3pm–4pm | 57.6% | 0.0% | 33 |
| 4pm–5pm | 57.6% | 2.9% | 35 |
| 5pm–6pm | Limited data | 22 | |
| 6pm–7pm | 80.2% | 1.5% | 200 |
| 7pm–8pm | 73.3% | 0.4% | 237 |
| 8pm–9pm | 66.9% | 0.8% | 259 |
| 9pm–10pm | Limited data | 19 | |
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 TPA
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) | 87.2% | +6.7 pts | 0.0% | 39 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.8% | -8.8 pts | 1.2% | 86 |
| Summer peak (Jun 15 - Aug 15) | 72.3% | -8.2 pts | 0.9% | 347 |
| All other days | 80.5% | — | 1.2% | 1,516 |
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).