Meridian (MEI) to Houston (IAH): On-Time Performance
Data through July 2026
Meridian (MEI) to Houston (IAH) effectively runs on two schedules. In October 2025, 93% of arrivals were on time; in July 2024 that fell to 63% — a 30-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 422 mi
Monthly on-time trend
Best time to fly from MEI to IAH
Aim for departures around 8 a.m. (84% on-time); avoid 6 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 20 min |
| Tuesday | 81% | 22 min |
| Wednesdaybest | 83% | 15 min |
| Thursdaybest | 83% | 15 min |
| Friday | 80% | 18 min |
| Saturday | 79% | 20 min |
| Sunday | 78% | 29 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 operations46%
- National airspace system15%
- Weather10%
Frequently asked questions
- How often are flights from MEI to IAH delayed?
- 19% of MEI–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 19 minutes.
- What is the best time of day to fly from MEI to IAH?
- Departures around 8 a.m. have the best record (84% on-time), while departures around 6 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MEI to IAH?
- The scheduled MEI–IAH flight time averages 1h 41m over 422 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are MEI to IAH flights cancelled?
- 1.9% 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 MEI to IAH?
- July 2024 was the roughest month in this dataset, with only 63% of arrivals on time. The best was October 2025 at 93%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 1,307 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.