West Palm Beach/Palm Beach (PBI) to Houston (IAH): On-Time Performance
Data through May 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 May 2025 that fell to 58% — a 40-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 71%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.2
- last 12 months
- Duration
- 3h 1m
- 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 4 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 17 min |
| Tuesdaybest | 90% | 7 min |
| Wednesday | 88% | 10 min |
| Thursday | 77% | 22 min |
| Friday | 78% | 16 min |
| Saturday | 84% | 28 min |
| Sunday | 70% | 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 aircraft46%
- Airline operations30%
- National airspace system21%
- Weather4%
Frequently asked questions
- How often are flights from PBI to IAH delayed?
- 20% of PBI–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 17 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 4 p.m. have the worst (71%). 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 1m over 956 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are PBI to IAH flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from PBI to IAH?
- May 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was February 2026 at 98%. If your dates are flexible, that 40-point gap is worth planning around.
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Based on 739 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.