Houston (IAH) to Meridian (MEI): On-Time Performance
Data through July 2026
The calendar drives reliability on IAH–MEI. January 2025 flights landed on schedule 94% of the time, but June 2025 dropped to 60% — a gap of 34 points. Across the full period the route averages 74% on-time against a national 78%.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 29 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 34m
- scheduled
- Distance
- 422 mi
Monthly on-time trend
Best time to fly from IAH to MEI
Aim for departures around 11 a.m. (80% on-time); avoid 10 a.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 38 min |
| Tuesdaybest | 83% | 10 min |
| Wednesday | 74% | 26 min |
| Thursday | 79% | 23 min |
| Friday | 75% | 28 min |
| Saturday | 71% | 40 min |
| Sunday | 66% | 38 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations46%
- National airspace system6%
- Weather12%
Frequently asked questions
- How often are flights from IAH to MEI delayed?
- 26% of IAH–MEI 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 29 minutes.
- What is the best time of day to fly from IAH to MEI?
- Departures around 11 a.m. have the best record (80% on-time), while departures around 10 a.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to MEI?
- The scheduled IAH–MEI flight time averages 1h 34m over 422 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are IAH to MEI flights cancelled?
- 1.8% 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 MEI?
- June 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was January 2025 at 94%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 1,263 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.