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

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

Historically, 84.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,650 flights.

HISTORICAL ROUTE SIGNALLower disruption
84.2%arrived on time
11.0%30+ min late
0.5%cancelled
1,650scheduled 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 late3.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning40192.3%5.0%0.2%
Late morning70487.5%8.1%0.6%
Afternoon13378.9%18.0%0.0%
Evening40672.4%19.2%0.7%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday25084.8%12.0%0.4%
Tuesday21386.9%7.5%0.9%
Wednesday20587.3%8.3%0.5%
Thursday24983.9%8.8%1.2%
Friday24580.8%15.1%0.0%
Saturday22987.8%8.3%0.0%
Sunday25979.2%15.4%0.4%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,36286.9%8.7%0.3%
Spirit Airlines15172.2%19.9%1.3%
Frontier Airlines13770.1%23.4%1.5%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202517778.0%16.4%0.0%
August 202514977.2%14.8%0.0%
September 202513594.8%3.7%0.0%
October 202512481.5%8.9%0.0%
November 202515186.1%8.6%2.6%
December 202515082.7%11.3%1.3%
January 202614589.0%8.3%0.0%
February 202611595.7%3.5%0.0%
March 202613985.6%12.2%1.4%
April 202613584.4%12.6%0.0%
May 202612381.3%13.0%0.0%
June 202610775.7%16.8%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline29.5%
Late aircraft29.4%
National airspace35.4%
Weather5.7%
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.