Best Time to Fly IND to IAH: On-Time Stats by Hour & Airline
Indianapolis International → George Bush Intercontinental/Houston
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.3% of Indianapolis (IND) to Houston (IAH) flights arrived on time (641 scheduled flights). That is 5.7 points above the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Friday was the most reliable day (84% on time) and June the worst month (71%).
The cancellation rate was 0.8% (US average 1.8%).
IND 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 | 83.3% | 79 min | 0.8% | 641 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IND to IAH
On-time arrival % by scheduled departure hour (local time), 1,468 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 88.5% | 3.9% | 154 |
| 7am–8am | 87.5% | 0.7% | 435 |
| 9am–10am | 92.5% | 0.0% | 53 |
| 11am–12pm | 86.0% | 0.0% | 87 |
| 12pm–1pm | 87.5% | 0.0% | 33 |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | 76.7% | 2.2% | 92 |
| 5pm–6pm | 75.8% | 1.1% | 613 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IND 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) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 81.0% | -2.2 pts | 3.3% | 60 |
| Summer peak (Jun 15 - Aug 15) | 79.3% | -3.9 pts | 1.9% | 262 |
| All other days | 83.2% | — | 1.0% | 1,119 |
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).