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Hattiesburg/Laurel (PIB) to Houston (IAH): On-Time Performance

Data through May 2026

Hattiesburg/Laurel (PIB) to Houston (IAH) effectively runs on two schedules. In September 2025, 92% of arrivals were on time; in June 2025 that fell to 65% — a 28-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%.

On-time
83%
arrived <15 min late
Avg delay
19 min
completed flights
Cancelled
1.9%
Flights/day
1.7
last 12 months
Duration
1h 36m
scheduled
Distance
372 mi

Monthly on-time trend

Monthly on-time percentage for PIB to IAH flights50%75%100%June 2024: 76% on-time (30 flights)76Jun 2024July 2024: 79% on-time (31 flights)79August 2024: 87% on-time (31 flights)87September 2024: 90% on-time (52 flights)90Sep 2024October 2024: 85% on-time (53 flights)85November 2024: 87% on-time (52 flights)87December 2024: 86% on-time (53 flights)86Dec 2024January 2025: 88% on-time (54 flights)88February 2025: 90% on-time (48 flights)90March 2025: 88% on-time (53 flights)88Mar 2025April 2025: 82% on-time (51 flights)82May 2025: 73% on-time (53 flights)73June 2025: 65% on-time (52 flights)65Jun 2025July 2025: 90% on-time (53 flights)90August 2025: 85% on-time (53 flights)85September 2025: 92% on-time (51 flights)92Sep 2025October 2025: 83% on-time (54 flights)83November 2025: 82% on-time (50 flights)82December 2025: 73% on-time (55 flights)73Dec 2025January 2026: 86% on-time (53 flights)86February 2026: 90% on-time (48 flights)90March 2026: 78% on-time (53 flights)78Mar 2026April 2026: 90% on-time (52 flights)90May 2026: 74% on-time (53 flights)74

Best time to fly from PIB to IAH

Aim for departures around 7 p.m. (97% on-time); avoid 3 p.m. departures (80%).

On-time percentage by scheduled departure hour, PIB to IAH10 a.m.: 83% on-time (557 flights)1011 a.m.: 97% on-time (29 flights)1112 p.m.: 84% on-time (66 flights)122 p.m.: 87% on-time (41 flights)143 p.m.: 80% on-time (209 flights)156 p.m.: 84% on-time (249 flights)187 p.m.: 97% on-time (37 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday81%19 min
Tuesday86%7 min
Wednesday86%13 min
Thursday83%15 min
Fridaybest86%15 min
Saturday83%36 min
Sunday80%30 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft54%
  • Airline operations32%
  • National airspace system12%
  • Weather2%

Frequently asked questions

How often are flights from PIB to IAH delayed?
17% of PIB–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 19 minutes.
What is the best time of day to fly from PIB to IAH?
Departures around 7 p.m. have the best record (97% on-time), while departures around 3 p.m. have the worst (80%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from PIB to IAH?
The scheduled PIB–IAH flight time averages 1h 36m over 372 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
How often are PIB to IAH flights cancelled?
1.9% 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 PIB to IAH?
June 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was September 2025 at 92%. If your dates are flexible, that 28-point gap is worth planning around.

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Based on 1,188 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.