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Route · TPA → SEA · 2020–2025 BTS data

Tampa to Seattle

The TPA–SEA corridor (Tampa, FL → Seattle, WA) runs behind the national average, served by 3 carriers across roughly 2,520 miles.

Data updated 2026-06-13

78.5%
On-time
-0.5 pts
vs US avg
64 min
Delay when late
5,625
Flights

Cancelled

1.6%

Best Month

Nov 2025 88%

Worst Month

Apr 2024 60%

Distance

2,520 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 86 31 2 0 DL,AS
Nov 2025 67 8 0 0 DL,AS
Oct 2025 63 13 2 0 AS,DL
Sep 2025 77 16 0 0 DL,AS
Aug 2025 88 23 0 1 AS,DL
Jul 2025 93 25 0 1 AS,DL
Jun 2025 90 28 0 0 AS,DL
May 2025 93 37 0 0 AS,DL
Apr 2025 87 20 0 0 DL,AS
Mar 2025 91 25 2 1 AS,DL
Feb 2025 84 24 0 0 AS,DL
Jan 2025 93 16 0 0 AS,DL
Dec 2024 87 19 1 0 AS,DL
Nov 2024 66 18 0 0 AS,DL
Oct 2024 61 8 6 0 AS,DL
Sep 2024 78 20 4 0 AS,DL
Aug 2024 87 26 3 0 AS,DL
Jul 2024 93 35 2 0 AS,DL
Jun 2024 90 27 1 0 AS,DL
May 2024 93 37 0 0 AS,DL
Apr 2024 90 36 1 0 AS,DL
Mar 2024 92 25 1 0 AS,DL
Feb 2024 83 13 0 0 AS,DL
Jan 2024 90 13 7 0 AS,DL

Cancellation Rate

1.6%

32 of 2,022 flights

Diversion Rate

0.1%

3 of 2,022 flights

What the Data Says About TPA to SEA

5,625 tracked flights put the TPA to SEA pairing (Tampa to Seattle) at a 78.5% on-time rate, squarely in line with the wider network. Delays that do occur run 64.3 minutes on average. Across the 2,520-mile route and its 3 carriers, the trailing 24 months show 1.6% cancelled and 0.1% diverted (2,022 flights sampled).

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 88% on-time, while Apr 2024 came in at just 60% - a 28-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from TPA to SEA?
Flights from Tampa to Seattle have a 78.5% on-time rate based on 5,625 flights. The average delay is 64.3 minutes. The best recent month was Nov 2025 with 88% on-time.
What is the cancellation rate for TPA to SEA?
Over the last 24 months, 1.6% of flights on this route were cancelled (32 of 2,022 flights) and 0.1% were diverted.
How far is the flight from TPA to SEA?
The flight distance from Tampa (TPA) to Seattle (SEA) is approximately 2,520 miles. This route is served by 3 carriers.
When is the best time to fly from TPA to SEA?
The best recent month for on-time performance was Nov 2025 (88% on-time). The worst was Apr 2024 (60% 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.