BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
IAH→PBI

Houston, TX (IAH) to West Palm Beach/Palm Beach, FL (PBI) flight delay odds

80.0% of 461 official scheduled IAH-to-PBI flights arrived on time; 12.1% arrived at least 30 minutes late and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.0%arrived on time
12.1%30+ min late
1.1%cancelled
461scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.1 mincompleted flights

Which departure time was most reliable for IAH to PBI?

Among qualifying IAH-to-PBI departure window results, Evening had the highest on-time rate: 83.6% of 171 flights. Afternoon was lowest at 78.4% across 259 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon25978.4%13.1%0.8%
Evening17183.6%9.9%1.8%

Which weekday was most reliable for IAH to PBI?

Among qualifying IAH-to-PBI weekday results, Wednesday had the highest on-time rate: 87.0% of 69 flights. Saturday was lowest at 72.7% across 55 flights.

DayFlightsOn time30+ minCancelled
Monday7177.5%15.5%2.8%
Tuesday5782.5%8.8%0.0%
Wednesday6987.0%8.7%0.0%
Thursday6979.7%13.0%0.0%
Friday7082.9%10.0%0.0%
Saturday5572.7%20.0%1.8%
Sunday7077.1%10.0%2.9%

Which airline was most reliable for IAH to PBI?

Only United Airlines met the IAH-to-PBI airline threshold: 80.0% of 461 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines46180.0%12.1%1.1%

Which month was most reliable for IAH to PBI?

Among qualifying IAH-to-PBI month results, February 2026 had the highest on-time rate: 89.6% of 48 flights. June 2026 was lowest at 56.7% across 30 flights.

MonthFlightsOn time30+ minCancelled
October 20253786.5%8.1%0.0%
November 20255976.3%16.9%1.7%
December 20256578.5%18.5%0.0%
January 20265689.3%7.1%1.8%
February 20264889.6%4.2%0.0%
March 20266075.0%15.0%5.0%
April 20265286.5%5.8%0.0%
May 20264875.0%10.4%0.0%
June 20263056.7%23.3%0.0%

What drove IAH to PBI delay minutes?

National airspace was the largest recorded IAH-to-PBI delay category, accounting for 46.4% of 4,949 BTS-attributed delay minutes during July 2025–June 2026.

Airline17.7%
Late aircraft31.7%
National airspace46.4%
Weather4.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.