Best Time to Fly PBI to IAH: On-Time Stats by Hour & Airline
Palm Beach International → George Bush Intercontinental/Houston
Data through July 2026 · Last updated October 18, 2026
491 flights were scheduled from West Palm Beach/Palm Beach (PBI) to Houston (IAH) in the last 12 months, and 81.6% of those that flew arrived on time, 3.9 points above the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (88% on time) and July the worst month (52%).
The cancellation rate was 1.2% (US average 1.8%).
PBI to IAH on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 81.6% | 88 min | 1.2% | 491 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PBI to IAH
On-time arrival % by scheduled departure hour (local time), 800 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 97.1% | 2.3% | 175 |
| 8am–9am | 95.0% | 2.4% | 41 |
| 9am–10am | 87.5% | 0.0% | 56 |
| 11am–12pm | Limited data | 11 | |
| 2pm–3pm | Limited data | 1 | |
| 4pm–5pm | 71.1% | 0.5% | 205 |
| 5pm–6pm | 68.3% | 1.3% | 311 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PBI to IAH
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 81.2% | +1.6 pts | 3.0% | 66 |
| Summer peak (Jun 15 - Aug 15) | 53.3% | -26.3 pts | 2.1% | 47 |
| All other days | 79.7% | — | 1.1% | 667 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).