Route · SEA → FLL · 2020–2025 BTS data
Seattle to Fort Lauderdale
The SEA–FLL corridor (Seattle, WA → Fort Lauderdale, FL) runs ahead of the national average, served by 6 carriers across roughly 2,717 miles.
Data updated 2026-06-13
- 80.8%
- On-time
- +1.8 pts
- vs US avg
- 60 min
- Delay when late
- 4,396
- Flights
Cancelled
1.8%
Best Month
Oct 2024 92%
Worst Month
Dec 2025 65%
Distance
2,717 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 93 | 33 | 1 | 0 | DL,AS |
| Nov 2025 | 66 | 17 | 0 | 2 | AS,DL |
| Oct 2025 | 62 | 6 | 0 | 0 | AS,DL |
| Sep 2025 | 60 | 5 | 0 | 1 | DL,AS |
| Aug 2025 | 62 | 12 | 0 | 0 | AS,DL |
| Jul 2025 | 62 | 16 | 3 | 2 | AS,DL |
| Jun 2025 | 60 | 11 | 0 | 0 | AS,DL |
| May 2025 | 72 | 11 | 0 | 0 | AS,DL |
| Apr 2025 | 83 | 17 | 0 | 0 | AS,DL |
| Mar 2025 | 86 | 11 | 1 | 0 | AS,DL |
| Feb 2025 | 76 | 12 | 0 | 0 | AS,DL |
| Jan 2025 | 85 | 22 | 0 | 0 | AS,DL |
| Dec 2024 | 92 | 22 | 0 | 0 | AS,DL |
| Nov 2024 | 68 | 10 | 0 | 0 | AS,DL |
| Oct 2024 | 61 | 5 | 1 | 0 | AS,DL |
| Sep 2024 | 60 | 6 | 0 | 1 | AS,DL |
| Aug 2024 | 62 | 13 | 2 | 0 | AS,DL |
| Jul 2024 | 62 | 11 | 2 | 0 | AS,DL |
| Jun 2024 | 60 | 12 | 1 | 1 | AS,DL |
| May 2024 | 77 | 11 | 0 | 0 | AS,DL |
| Apr 2024 | 89 | 19 | 0 | 1 | AS,DL |
| Mar 2024 | 93 | 26 | 0 | 1 | AS,DL |
| Feb 2024 | 87 | 9 | 0 | 0 | AS,DL |
| Jan 2024 | 93 | 10 | 21 | 0 | AS,DL |
Cancellation Rate
1.8%
32 of 1,771 flights
Diversion Rate
0.5%
9 of 1,771 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 →FLL - Fort Lauderdale
Full on-time, delay-cause, and seasonal performance for Fort Lauderdale, FL.
Destination airport →Compare the two airports
See SEA and FLL 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–FLL.
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What the Data Says About SEA to FLL
4,396 tracked flights put the SEA to FLL pairing (Seattle to Fort Lauderdale) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 59.8 minutes on average. Across the 2,717-mile route and its 6 carriers, the trailing 24 months show 1.8% cancelled and 0.5% diverted (1,771 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 65% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to FLL? ▼
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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.