Meridian (MEI) to Houston (IAH): On-Time Performance
Data through May 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
- 20 min
- completed flights
- Cancelled
- 2.0%
- 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 (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 19 min |
| Tuesday | 83% | 18 min |
| Wednesday | 83% | 14 min |
| Thursdaybest | 84% | 21 min |
| Friday | 81% | 18 min |
| Saturday | 79% | 24 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 aircraft33%
- Airline operations44%
- National airspace system14%
- Weather9%
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 2024-06 and 2026-05. The average arrival delay across completed flights was 20 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 (65%). 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?
- 2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.
Explore related pages
Based on 1,253 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.