Best Time to Fly HOU to JAX: On-Time Stats by Hour & Airline
William P Hobby → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 61.0% of Houston (HOU) to Jacksonville (JAX) flights arrived on time (294 scheduled flights). That is 16.7 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (89% on time) and Monday the weakest day of the week (60%).
0.7% of flights were cancelled, versus 1.8% nationally.
HOU to JAX 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 | 61.0% | 52 min | 0.7% | 294 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to JAX
On-time arrival % by scheduled departure hour (local time), 614 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 14 | |
| 11am–12pm | 75.9% | 0.0% | 54 |
| 12pm–1pm | 90.7% | 4.4% | 45 |
| 1pm–2pm | Limited data | 18 | |
| 2pm–3pm | Limited data | 25 | |
| 3pm–4pm | Limited data | 18 | |
| 4pm–5pm | Limited data | 25 | |
| 5pm–6pm | Limited data | 25 | |
| 6pm–7pm | 68.1% | 1.1% | 95 |
| 7pm–8pm | 60.2% | 0.9% | 109 |
| 8pm–9pm | 54.0% | 0.6% | 175 |
| 9pm–10pm | Limited data | 11 | |
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 JAX
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) | Limited data | 22 | ||
| Summer peak (Jun 15 - Aug 15) | 51.3% | -20.4 pts | 1.6% | 121 |
| All other days | 71.7% | — | 0.7% | 459 |
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).