Best Time to Fly IAH to JAX: On-Time Stats by Hour & Airline
George Bush Intercontinental/Houston → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
691 flights were scheduled from Houston (IAH) to Jacksonville (JAX) in the last 12 months, and 76.8% of those that flew arrived on time, 0.8 points below the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
November has been the best month (88% on time) and Sunday the weakest day of the week (71%).
0.3% of flights were cancelled, versus 1.8% nationally.
IAH 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 |
|---|---|---|---|---|
| United Airlines | 77.4% | 57 min | 0.3% | 666 |
| SkyWest Airlines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAH to JAX
On-time arrival % by scheduled departure hour (local time), 1,403 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 89.2% | 0.0% | 111 |
| 9am–10am | Limited data | 18 | |
| 10am–11am | 85.5% | 0.0% | 69 |
| 11am–12pm | Limited data | 7 | |
| 12pm–1pm | 70.7% | 0.9% | 226 |
| 1pm–2pm | 77.6% | 1.2% | 167 |
| 4pm–5pm | 59.7% | 2.7% | 74 |
| 5pm–6pm | Limited data | 11 | |
| 6pm–7pm | 78.9% | 1.4% | 360 |
| 7pm–8pm | 80.7% | 0.9% | 115 |
| 8pm–9pm | 65.8% | 0.4% | 244 |
| 9pm–10pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAH 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) | 81.8% | +3.5 pts | 0.0% | 33 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.5% | -3.7 pts | 3.5% | 57 |
| Summer peak (Jun 15 - Aug 15) | 55.8% | -22.5 pts | 3.1% | 196 |
| All other days | 78.3% | — | 0.5% | 1,117 |
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).