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Route · IAD → TPA · 2020–2025 BTS data

Washington to Tampa

The IAD–TPA corridor (Washington, DC → Tampa, FL) runs ahead of the national average, served by 5 carriers across roughly 811 miles.

Data updated 2026-06-13

80.8%
On-time
+1.8 pts
vs US avg
74 min
Delay when late
6,273
Flights

Cancelled

1.3%

Best Month

Oct 2024 97%

Worst Month

Jul 2025 62%

Distance

811 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 114 22 0 0 F9,UA
Nov 2025 104 16 0 0 UA,F9
Oct 2025 107 17 1 0 UA,F9
Sep 2025 122 23 0 0 UA,F9
Aug 2025 129 30 1 1 F9,UA
Jul 2025 170 64 3 1 UA,F9
Jun 2025 141 52 3 2 UA,F9
May 2025 142 39 1 0 UA,F9
Apr 2025 151 22 0 0 F9,UA
Mar 2025 153 36 3 0 UA,F9
Feb 2025 112 27 1 0 UA,F9
Jan 2025 105 20 0 1 UA,F9
Dec 2024 108 16 0 0 F9,UA
Nov 2024 89 4 0 0 UA
Oct 2024 93 3 9 0 UA
Sep 2024 90 7 5 1 UA
Aug 2024 93 25 2 1 UA
Jul 2024 93 30 1 1 UA
Jun 2024 90 22 0 1 UA
May 2024 93 16 0 0 UA
Apr 2024 90 10 2 1 UA
Mar 2024 93 22 0 0 UA
Feb 2024 87 10 1 0 UA
Jan 2024 93 25 2 0 UA

Cancellation Rate

1.3%

35 of 2,662 flights

Diversion Rate

0.4%

10 of 2,662 flights

What the Data Says About IAD to TPA

6,273 tracked flights put the IAD to TPA pairing (Washington to Tampa) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 73.8 minutes on average. Across the 811-mile route and its 5 carriers, the trailing 24 months show 1.3% cancelled and 0.4% diverted (2,662 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 62% - a 34-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IAD to TPA?
Flights from Washington to Tampa have a 80.8% on-time rate based on 6,273 flights. The average delay is 73.8 minutes. The best recent month was Oct 2024 with 97% on-time.
What is the cancellation rate for IAD to TPA?
Over the last 24 months, 1.3% of flights on this route were cancelled (35 of 2,662 flights) and 0.4% were diverted.
How far is the flight from IAD to TPA?
The flight distance from Washington (IAD) to Tampa (TPA) is approximately 811 miles. This route is served by 5 carriers.
When is the best time to fly from IAD to TPA?
The best recent month for on-time performance was Oct 2024 (97% on-time). The worst was Jul 2025 (62% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.