Best Time to Fly JAX to IAH: On-Time Stats by Hour & Airline
Jacksonville International → George Bush Intercontinental/Houston
Data through July 2026 · Last updated October 18, 2026
693 flights were scheduled from Jacksonville (JAX) to Houston (IAH) in the last 12 months, and 87.7% of those that flew arrived on time, 10.0 points above the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (94% on time) and December the worst month (80%).
The cancellation rate was 0.4% (US average 1.8%).
JAX to IAH 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 | 88.4% | 75 min | 0.5% | 668 |
| SkyWest Airlines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAX to IAH
On-time arrival % by scheduled departure hour (local time), 1,397 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 97.4% | 0.8% | 117 |
| 7am–8am | 92.0% | 1.5% | 609 |
| 8am–9am | Limited data | 2 | |
| 9am–10am | 83.3% | 1.2% | 85 |
| 11am–12pm | 91.1% | 0.0% | 192 |
| 4pm–5pm | 70.2% | 0.9% | 105 |
| 5pm–6pm | 78.8% | 1.4% | 284 |
| 6pm–7pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAX to IAH
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) | 75.8% | -12.4 pts | 0.0% | 33 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -8.2 pts | 3.5% | 57 |
| Summer peak (Jun 15 - Aug 15) | 87.8% | -0.4 pts | 2.1% | 192 |
| All other days | 88.2% | — | 0.9% | 1,115 |
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).