Houston (IAH) to Hattiesburg/Laurel (PIB): On-Time Performance
Data through July 2026
The calendar drives reliability on IAH–PIB. December 2024 flights landed on schedule 90% of the time, but April 2025 dropped to 61% — a gap of 29 points. Across the full period the route averages 74% on-time against a national 78%.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 26m
- scheduled
- Distance
- 372 mi
Monthly on-time trend
Best time to fly from IAH to PIB
Aim for departures around 1 p.m. (85% on-time); avoid 3 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 25 min |
| Tuesdaybest | 78% | 17 min |
| Wednesday | 77% | 13 min |
| Thursday | 76% | 18 min |
| Friday | 76% | 18 min |
| Saturday | 76% | 28 min |
| Sunday | 68% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations47%
- National airspace system8%
- Weather14%
Frequently asked questions
- How often are flights from IAH to PIB delayed?
- 27% of IAH–PIB 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 21 minutes.
- What is the best time of day to fly from IAH to PIB?
- Departures around 1 p.m. have the best record (85% on-time), while departures around 3 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to PIB?
- The scheduled IAH–PIB flight time averages 1h 26m over 372 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are IAH to PIB flights cancelled?
- 1.7% 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 PIB?
- April 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was December 2024 at 90%. If your dates are flexible, that 29-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.