BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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IAD→TPA

Washington, DC (IAD) to Tampa, FL (TPA) flight delay odds

80.4% of 1,366 official scheduled IAD-to-TPA flights arrived on time; 12.4% arrived at least 30 minutes late and 0.9% 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
80.4%arrived on time
12.4%30+ min late
0.9%cancelled
1,366scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+3.0 mincompleted flights

Which departure time was most reliable for IAD to TPA?

Among qualifying IAD-to-TPA departure window results, Late morning had the highest on-time rate: 91.8% of 171 flights. Evening was lowest at 67.6% across 420 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning22387.9%7.2%0.4%
Late morning17191.8%5.3%0.6%
Afternoon44684.5%8.3%1.3%
Evening42067.6%22.4%0.7%
Night10679.2%13.2%0.9%

Which weekday was most reliable for IAD to TPA?

Among qualifying IAD-to-TPA weekday results, Tuesday had the highest on-time rate: 87.1% of 171 flights. Sunday was lowest at 73.6% across 212 flights.

DayFlightsOn time30+ minCancelled
Monday21178.2%15.6%1.4%
Tuesday17187.1%8.2%0.0%
Wednesday16884.5%9.5%0.0%
Thursday21681.5%13.0%0.0%
Friday21179.1%14.2%0.0%
Saturday17780.8%11.9%0.6%
Sunday21273.6%13.2%3.8%

Which airline was most reliable for IAD to TPA?

Among qualifying IAD-to-TPA airline results, United Airlines had the highest on-time rate: 81.7% of 1,180 flights. Frontier Airlines was lowest at 72.0% across 186 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,18081.7%11.5%0.4%
Frontier Airlines18672.0%18.3%3.8%

Which month was most reliable for IAD to TPA?

Among qualifying IAD-to-TPA month results, April 2026 had the highest on-time rate: 92.0% of 100 flights. July 2025 was lowest at 60.0% across 170 flights.

MonthFlightsOn time30+ minCancelled
July 202517060.0%27.6%1.8%
August 202512975.2%14.0%0.8%
September 202512281.1%12.3%0.0%
October 202510783.2%6.5%0.9%
November 202510484.6%9.6%0.0%
December 202511480.7%14.0%0.0%
January 202610983.5%8.3%3.7%
February 20269186.8%8.8%1.1%
March 202612880.5%13.3%0.8%
April 202610092.0%5.0%1.0%
May 20269790.7%6.2%0.0%
June 20269582.1%12.6%0.0%

What drove IAD to TPA delay minutes?

Late aircraft was the largest recorded IAD-to-TPA delay category, accounting for 43.0% of 17,418 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.5%
Late aircraft43.0%
National airspace30.2%
Weather8.3%
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.