West Palm Beach/Palm Beach (PBI) to Houston (IAH): On-Time Performance
Data through July 2026
West Palm Beach/Palm Beach (PBI) to Houston (IAH) effectively runs on two schedules. In February 2026, 98% of arrivals were on time; in July 2026 that fell to 52% — a 46-point seasonal swing. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 68%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.3
- last 12 months
- Duration
- 3h 0m
- scheduled
- Distance
- 956 mi
Monthly on-time trend
Best time to fly from PBI to IAH
Aim for departures around 6 a.m. (97% on-time); avoid 5 p.m. departures (68%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 19 min |
| Tuesday | 87% | 11 min |
| Wednesdaybest | 88% | 10 min |
| Thursday | 74% | 24 min |
| Friday | 75% | 18 min |
| Saturday | 79% | 36 min |
| Sunday | 69% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations32%
- National airspace system19%
- Weather3%
Frequently asked questions
- How often are flights from PBI to IAH delayed?
- 22% of PBI–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 20 minutes.
- What is the best time of day to fly from PBI to IAH?
- Departures around 6 a.m. have the best record (97% on-time), while departures around 5 p.m. have the worst (68%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PBI to IAH?
- The scheduled PBI–IAH flight time averages 3h 0m over 956 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are PBI to IAH flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from PBI to IAH?
- July 2026 was the roughest month in this dataset, with only 52% of arrivals on time. The best was February 2026 at 98%. If your dates are flexible, that 46-point gap is worth planning around.
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Based on 800 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.