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

Houston, TX (IAH) to Tampa, FL (TPA) flight delay odds

81.1% of 1,643 official scheduled IAH-to-TPA flights arrived on time; 12.2% arrived at least 30 minutes late and 0.5% 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
81.1%arrived on time
12.2%30+ min late
0.5%cancelled
1,643scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.8%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.2 mincompleted flights

Which departure time was most reliable for IAH to TPA?

Among qualifying IAH-to-TPA departure window results, Early morning had the highest on-time rate: 94.3% of 366 flights. Late morning was lowest at 72.1% across 61 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36694.3%3.0%0.3%
Late morning6172.1%13.1%1.6%
Afternoon71177.8%14.5%0.6%
Evening45677.2%15.4%0.2%
Night4977.6%18.4%2.0%

Which weekday was most reliable for IAH to TPA?

Among qualifying IAH-to-TPA weekday results, Tuesday had the highest on-time rate: 85.8% of 211 flights. Sunday was lowest at 75.7% across 255 flights.

DayFlightsOn time30+ minCancelled
Monday25078.0%14.8%0.8%
Tuesday21185.8%10.0%0.5%
Wednesday20584.4%8.8%1.0%
Thursday24983.1%9.2%0.8%
Friday24379.8%15.2%0.4%
Saturday23082.2%11.7%0.0%
Sunday25575.7%14.9%0.0%

Which airline was most reliable for IAH to TPA?

Among qualifying IAH-to-TPA airline results, United Airlines had the highest on-time rate: 83.1% of 1,363 flights. Frontier Airlines was lowest at 69.3% across 137 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,36383.1%11.0%0.4%
Spirit Airlines14372.7%15.4%0.0%
Frontier Airlines13769.3%21.2%2.2%

Which month was most reliable for IAH to TPA?

Among qualifying IAH-to-TPA month results, February 2026 had the highest on-time rate: 93.9% of 115 flights. July 2025 was lowest at 69.4% across 173 flights.

MonthFlightsOn time30+ minCancelled
July 202517369.4%23.7%0.0%
August 202514776.2%12.9%0.7%
September 202513588.1%5.2%0.0%
October 202512580.8%8.0%0.8%
November 202515084.0%10.7%2.7%
December 202515083.3%10.7%0.0%
January 202614589.0%8.3%0.0%
February 202611593.9%4.3%0.0%
March 202613881.2%11.6%1.4%
April 202613581.5%10.4%0.0%
May 202612376.4%18.7%0.0%
June 202610771.0%20.6%0.0%

What drove IAH to TPA delay minutes?

Late aircraft was the largest recorded IAH-to-TPA delay category, accounting for 48.1% of 22,009 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.3%
Late aircraft48.1%
National airspace20.0%
Weather6.6%
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.