Route · BNA → SEA · 2020–2025 BTS data
Nashville to Seattle
The BNA–SEA corridor (Nashville, TN → Seattle, WA) runs ahead of the national average, served by 7 carriers across roughly 1,978 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 59 min
- Delay when late
- 6,766
- Flights
Cancelled
0.9%
Best Month
Feb 2024 93%
Worst Month
Dec 2025 56%
Distance
1,978 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 40 | 0 | 1 | DL,AS |
| Nov 2025 | 88 | 21 | 0 | 0 | AS,DL |
| Oct 2025 | 117 | 26 | 2 | 1 | AS,DL,WN |
| Sep 2025 | 135 | 34 | 0 | 0 | WN,DL,AS |
| Aug 2025 | 176 | 63 | 2 | 0 | WN,AS,DL |
| Jul 2025 | 188 | 52 | 1 | 1 | AS,DL,WN |
| Jun 2025 | 173 | 49 | 1 | 0 | AS,DL,WN |
| May 2025 | 124 | 17 | 1 | 1 | AS,DL |
| Apr 2025 | 98 | 21 | 1 | 0 | AS,DL |
| Mar 2025 | 90 | 16 | 1 | 0 | AS,DL |
| Feb 2025 | 76 | 22 | 0 | 0 | AS,DL |
| Jan 2025 | 82 | 12 | 1 | 0 | AS,DL |
| Dec 2024 | 91 | 21 | 0 | 0 | AS,DL |
| Nov 2024 | 88 | 11 | 0 | 0 | AS,DL |
| Oct 2024 | 113 | 10 | 1 | 0 | AS,DL |
| Sep 2024 | 125 | 19 | 0 | 0 | WN,AS,DL |
| Aug 2024 | 126 | 22 | 1 | 0 | AS,DL,WN |
| Jul 2024 | 128 | 20 | 1 | 0 | AS,DL,WN |
| Jun 2024 | 125 | 31 | 0 | 0 | AS,DL,WN |
| May 2024 | 122 | 35 | 0 | 0 | AS,DL |
| Apr 2024 | 116 | 19 | 0 | 0 | AS,DL |
| Mar 2024 | 105 | 10 | 0 | 0 | AS,DL |
| Feb 2024 | 83 | 6 | 0 | 0 | AS,DL |
| Jan 2024 | 90 | 16 | 11 | 0 | AS,DL |
Cancellation Rate
0.9%
24 of 2,749 flights
Diversion Rate
0.1%
4 of 2,749 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BNA - Nashville
Full on-time, delay-cause, and seasonal performance for Nashville, TN.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See BNA and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BNA–SEA.
Routes with a similar on-time rate
What the Data Says About BNA to SEA
6,766 tracked flights put the BNA to SEA pairing (Nashville to Seattle) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 58.7 minutes on average. Across the 1,978-mile route and its 7 carriers, the trailing 24 months show 0.9% cancelled and 0.1% diverted (2,749 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 56% - a 37-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.