Route · SAN → BNA · 2020–2025 BTS data
San Diego to Nashville
The SAN–BNA corridor (San Diego, CA → Nashville, TN) runs behind the national average, served by 1 carrier across roughly 1,751 miles.
Data updated 2026-06-13
- 78.9%
- On-time
- -0.1 pts
- vs US avg
- 55 min
- Delay when late
- 3,668
- Flights
Cancelled
0.7%
Best Month
Jan 2025 89%
Worst Month
Jul 2025 65%
Distance
1,751 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 21 | 1 | 0 | WN |
| Nov 2025 | 85 | 14 | 1 | 0 | WN |
| Oct 2025 | 88 | 20 | 0 | 0 | WN |
| Sep 2025 | 77 | 10 | 0 | 0 | WN |
| Aug 2025 | 79 | 11 | 0 | 0 | WN |
| Jul 2025 | 88 | 31 | 0 | 0 | WN |
| Jun 2025 | 82 | 26 | 0 | 1 | WN |
| May 2025 | 66 | 14 | 0 | 1 | WN |
| Apr 2025 | 65 | 13 | 0 | 0 | WN |
| Mar 2025 | 71 | 18 | 2 | 0 | WN |
| Feb 2025 | 61 | 7 | 0 | 0 | WN |
| Jan 2025 | 70 | 8 | 1 | 0 | WN |
| Dec 2024 | 88 | 26 | 2 | 0 | WN |
| Nov 2024 | 82 | 13 | 0 | 0 | WN |
| Oct 2024 | 89 | 26 | 1 | 0 | WN |
| Sep 2024 | 85 | 13 | 0 | 0 | WN |
| Aug 2024 | 88 | 26 | 0 | 1 | WN |
| Jul 2024 | 88 | 28 | 0 | 0 | WN |
| Jun 2024 | 81 | 25 | 0 | 0 | WN |
| May 2024 | 44 | 17 | 0 | 0 | WN |
| Apr 2024 | 49 | 6 | 0 | 0 | WN |
| Mar 2024 | 62 | 11 | 0 | 0 | WN |
| Feb 2024 | 50 | 10 | 0 | 0 | WN |
| Jan 2024 | 54 | 10 | 4 | 0 | WN |
Cancellation Rate
0.7%
12 of 1,783 flights
Diversion Rate
0.2%
3 of 1,783 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Origin airport →BNA - Nashville
Full on-time, delay-cause, and seasonal performance for Nashville, TN.
Destination airport →Compare the two airports
See SAN 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 SAN–BNA.
Routes with a similar on-time rate
What the Data Says About SAN to BNA
3,668 tracked flights put the SAN to BNA pairing (San Diego to Nashville) at a 78.9% on-time rate, squarely in line with the wider network. Delays that do occur run 55.3 minutes on average. Across the 1,751-mile route and its 1 carrier, the trailing 24 months show 0.7% cancelled and 0.2% diverted (1,783 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 89% on-time, while Jul 2025 came in at just 65% - a 24-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.