Route · SEA → BNA · 2020–2025 BTS data
Seattle to Nashville
The SEA–BNA corridor (Seattle, WA → Nashville, TN) runs ahead of the national average, served by 8 carriers across roughly 1,978 miles.
Data updated 2026-06-13
- 80.1%
- On-time
- +1.1 pts
- vs US avg
- 52 min
- Delay when late
- 6,765
- Flights
Cancelled
0.6%
Best Month
Jan 2025 90%
Worst Month
Jun 2025 64%
Distance
1,978 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 19 | 0 | 0 | DL,AS |
| Nov 2025 | 88 | 14 | 0 | 0 | AS,DL |
| Oct 2025 | 117 | 25 | 2 | 0 | AS,WN,DL |
| Sep 2025 | 134 | 30 | 0 | 0 | WN,DL,AS |
| Aug 2025 | 176 | 63 | 1 | 0 | WN,AS,DL |
| Jul 2025 | 188 | 67 | 1 | 0 | AS,WN,DL |
| Jun 2025 | 173 | 62 | 0 | 2 | AS,WN,DL |
| May 2025 | 124 | 33 | 1 | 2 | AS,DL |
| Apr 2025 | 99 | 28 | 1 | 0 | DL,AS |
| Mar 2025 | 90 | 14 | 0 | 0 | AS,DL |
| Feb 2025 | 76 | 13 | 0 | 0 | AS,DL |
| Jan 2025 | 82 | 8 | 1 | 0 | AS,DL |
| Dec 2024 | 91 | 16 | 0 | 0 | AS,DL |
| Nov 2024 | 88 | 19 | 0 | 0 | AS,DL |
| Oct 2024 | 112 | 15 | 0 | 1 | AS,DL |
| Sep 2024 | 125 | 34 | 0 | 0 | WN,AS,DL |
| Aug 2024 | 126 | 36 | 0 | 0 | AS,DL,WN |
| Jul 2024 | 128 | 39 | 0 | 0 | AS,DL,WN |
| Jun 2024 | 125 | 32 | 0 | 0 | AS,DL,WN |
| May 2024 | 122 | 27 | 0 | 4 | AS,DL |
| Apr 2024 | 116 | 24 | 0 | 0 | AS,DL |
| Mar 2024 | 106 | 12 | 0 | 0 | AS,DL |
| Feb 2024 | 83 | 15 | 0 | 0 | AS,DL |
| Jan 2024 | 90 | 19 | 9 | 0 | AS,DL |
Cancellation Rate
0.6%
16 of 2,749 flights
Diversion Rate
0.3%
9 of 2,749 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 →BNA - Nashville
Full on-time, delay-cause, and seasonal performance for Nashville, TN.
Destination airport →Compare the two airports
See SEA and BNA 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–BNA.
Routes with a similar on-time rate
What the Data Says About SEA to BNA
6,765 tracked flights put the SEA to BNA pairing (Seattle to Nashville) at a 80.1% on-time rate, squarely in line with the wider network. Delays that do occur run 52.0 minutes on average. Across the 1,978-mile route and its 8 carriers, the trailing 24 months show 0.6% cancelled and 0.3% diverted (2,749 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 90% on-time, while Jun 2025 came in at just 64% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to BNA? ▼
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Flight Guides
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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.