Indianapolis (IND) to Houston (IAH): On-Time Performance
Data through July 2026
When you fly IND to IAH matters as much as anything else about the booking: the route swung from 93% on-time in September 2025 to just 58% in July 2024. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 74%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 1.8
- last 12 months
- Duration
- 2h 37m
- scheduled
- Distance
- 844 mi
Best airline from IND to IAH
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 87% | 9 min | 0.0% | 74 |
| United Airlines | 81% | 15 min | 1.4% | 1,463 |
Monthly on-time trend
Best time to fly from IND to IAH
Aim for departures around 9 a.m. (93% on-time); avoid 5 p.m. departures (74%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 15 min |
| Tuesday | 81% | 12 min |
| Wednesday | 82% | 12 min |
| Thursday | 79% | 16 min |
| Friday | 82% | 14 min |
| Saturdaybest | 83% | 17 min |
| Sunday | 80% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft30%
- Airline operations29%
- National airspace system38%
- Weather3%
Frequently asked questions
- How often are flights from IND to IAH delayed?
- 19% of IND–IAH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from IND to IAH?
- SkyWest Airlines has the best on-time record on this route at 87%, based on 74 flights. 2 airlines flew IND–IAH frequently enough to compare in this period.
- What is the best time of day to fly from IND to IAH?
- Departures around 9 a.m. have the best record (93% on-time), while departures around 5 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IND to IAH?
- The scheduled IND–IAH flight time averages 2h 37m over 844 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are IND to IAH flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IND to IAH?
- July 2024 was the roughest month in this dataset, with only 58% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,537 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.