Route · SEA → TPA · 2020–2025 BTS data
Seattle to Tampa
The SEA–TPA corridor (Seattle, WA → Tampa, FL) runs ahead of the national average, served by 3 carriers across roughly 2,520 miles.
Data updated 2026-06-13
- 80.6%
- On-time
- +1.6 pts
- vs US avg
- 54 min
- Delay when late
- 5,626
- Flights
Cancelled
1.2%
Best Month
Sep 2025 87%
Worst Month
Jun 2025 56%
Distance
2,520 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 87 | 19 | 1 | 2 | DL,AS |
| Nov 2025 | 68 | 12 | 0 | 2 | AS,DL |
| Oct 2025 | 62 | 16 | 1 | 1 | AS,DL |
| Sep 2025 | 77 | 10 | 0 | 1 | DL,AS |
| Aug 2025 | 88 | 31 | 0 | 1 | AS,DL |
| Jul 2025 | 93 | 41 | 1 | 1 | AS,DL |
| Jun 2025 | 90 | 40 | 0 | 3 | AS,DL |
| May 2025 | 93 | 22 | 0 | 0 | AS,DL |
| Apr 2025 | 87 | 25 | 0 | 0 | AS,DL |
| Mar 2025 | 91 | 15 | 1 | 0 | AS,DL |
| Feb 2025 | 84 | 15 | 0 | 0 | AS,DL |
| Jan 2025 | 93 | 18 | 0 | 0 | AS,DL |
| Dec 2024 | 88 | 23 | 0 | 0 | AS,DL |
| Nov 2024 | 67 | 10 | 0 | 0 | AS,DL |
| Oct 2024 | 61 | 11 | 6 | 0 | AS,DL |
| Sep 2024 | 77 | 17 | 3 | 1 | AS,DL |
| Aug 2024 | 87 | 32 | 2 | 3 | AS,DL |
| Jul 2024 | 93 | 40 | 2 | 1 | AS,DL |
| Jun 2024 | 90 | 20 | 1 | 1 | AS,DL |
| May 2024 | 93 | 16 | 0 | 0 | AS,DL |
| Apr 2024 | 90 | 29 | 1 | 1 | AS,DL |
| Mar 2024 | 92 | 25 | 0 | 0 | AS,DL |
| Feb 2024 | 83 | 13 | 0 | 0 | AS,DL |
| Jan 2024 | 90 | 21 | 5 | 0 | AS,DL |
Cancellation Rate
1.2%
24 of 2,024 flights
Diversion Rate
0.9%
18 of 2,024 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →TPA - Tampa
Full on-time, delay-cause, and seasonal performance for Tampa, FL.
Destination airport →Compare the two airports
See SEA and TPA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–TPA.
Routes with a similar on-time rate
What the Data Says About SEA to TPA
5,626 tracked flights put the SEA to TPA pairing (Seattle to Tampa) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 54.0 minutes on average. Across the 2,520-mile route and its 3 carriers, the trailing 24 months show 1.2% cancelled and 0.9% diverted (2,024 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 87% on-time, while Jun 2025 came in at just 56% - a 32-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.