Houston (IAH) to Corpus Christi (CRP): On-Time Performance
Data through July 2026
Houston (IAH) to Corpus Christi (CRP) effectively runs on two schedules. In August 2024, 100% of arrivals were on time; in June 2025 that fell to 54% — a 46-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 1.5
- last 12 months
- Duration
- 1h 13m
- scheduled
- Distance
- 201 mi
Monthly on-time trend
Best time to fly from IAH to CRP
Aim for departures around 6 p.m. (87% on-time); avoid 9 a.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 28 min |
| Tuesday | 81% | 19 min |
| Wednesday | 76% | 26 min |
| Thursdaybest | 84% | 19 min |
| Friday | 77% | 23 min |
| Saturday | 79% | 20 min |
| Sunday | 79% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations43%
- National airspace system11%
- Weather12%
Frequently asked questions
- How often are flights from IAH to CRP delayed?
- 21% of IAH–CRP 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 23 minutes.
- What is the best time of day to fly from IAH to CRP?
- Departures around 6 p.m. have the best record (87% on-time), while departures around 9 a.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to CRP?
- The scheduled IAH–CRP flight time averages 1h 13m over 201 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are IAH to CRP flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from IAH to CRP?
- June 2025 was the roughest month in this dataset, with only 54% of arrivals on time. The best was August 2024 at 100%. If your dates are flexible, that 46-point gap is worth planning around.
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Based on 967 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.