Route · BNA → SAN · 2020–2025 BTS data
Nashville to San Diego
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BNA to SAN (Nashville to San Diego) ranks #3004 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.2%
- On-time
- +1.2 pts
- vs US avg
- 55 min
- Delay when late
- 3,752
- Flights
- #3004 of 4927
- Corpus placement
Cancelled
0.3%
Best Month
Oct 2024 89%
Worst Month
Jul 2024 65%
Distance
1,751 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 17 | 0 | 1 | WN |
| Nov 2025 | 85 | 16 | 1 | 0 | WN |
| Oct 2025 | 88 | 23 | 0 | 2 | WN |
| Sep 2025 | 77 | 11 | 0 | 1 | WN |
| Aug 2025 | 78 | 17 | 0 | 0 | WN |
| Jul 2025 | 88 | 23 | 0 | 0 | WN |
| Jun 2025 | 84 | 25 | 1 | 0 | WN |
| May 2025 | 80 | 19 | 1 | 1 | WN |
| Apr 2025 | 74 | 23 | 0 | 1 | WN |
| Mar 2025 | 70 | 10 | 0 | 0 | WN |
| Feb 2025 | 54 | 11 | 0 | 1 | WN |
| Jan 2025 | 65 | 9 | 1 | 1 | WN |
| Dec 2024 | 88 | 27 | 1 | 5 | WN |
| Nov 2024 | 82 | 21 | 0 | 0 | WN |
| Oct 2024 | 89 | 10 | 0 | 2 | WN |
| Sep 2024 | 85 | 17 | 0 | 0 | WN |
| Aug 2024 | 88 | 15 | 0 | 1 | WN |
| Jul 2024 | 88 | 31 | 0 | 0 | WN |
| Jun 2024 | 81 | 22 | 0 | 0 | WN |
| May 2024 | 44 | 18 | 0 | 0 | WN |
| Apr 2024 | 50 | 11 | 0 | 0 | WN |
| Mar 2024 | 67 | 12 | 0 | 0 | WN |
| Feb 2024 | 54 | 7 | 0 | 0 | WN |
| Jan 2024 | 59 | 14 | 1 | 0 | WN |
BNA–SAN seasonal on-time pattern
Best: February (85.1%) · weakest: June (71.3%)
Strongest calendar month
February
85.1% on-time · ~54 flights/mo
Busiest calendar month
August
~67 flights/mo avg
Weakest calendar month
June
71.3% on-time · ~58 flights/mo
Cancellation Rate
0.3%
6 of 1,809 flights
Diversion Rate
0.9%
16 of 1,809 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.
BNA on-time profileSAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileCompare the two airports
See BNA and SAN side by side on delays, cancellations, and reliability.
Compare BNA vs SANOrigin-hub reliability standing
Mid-pack among BNA departures
From BNA, this corridor sits with 52 other 75–85% on-time routes out of 61 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 3 below 75%). Destination: San Diego · fleet on-time rank #3050 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BNA–SAN.
Routes with a similar on-time rate
What the Data Says About BNA to SAN
3,752 tracked flights put the BNA to SAN pairing (Nashville to San Diego) at a 80.2% on-time rate, squarely in line with the wider network. Delays that do occur run 54.5 minutes on average. Across the 1,751-mile route and its 1 carrier, the trailing 24 months show 0.3% cancelled and 0.9% diverted (1,809 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 65% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, BNA–SAN peaks in February at 85.1% on-time while August carries the heaviest traffic (~67 flights per month) ; the softest month is June at 71.3%, a 13.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BNA to SAN rank among US routes by traffic? ▼
How often are flights delayed from BNA to SAN? ▼
What is the cancellation rate for BNA to SAN? ▼
How far is the flight from BNA to SAN? ▼
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Airports on this route
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.
Using BNA–SAN data
BNA–SAN is mid-pack at 80.2% on-time; month and carrier mix move more than the corridor headline.
- Compare BNA and SAN airport profiles: delay causes and top routes differ even on the same corridor. BNA airport
- If your dates flex, February (85.1% on-time) beats June (71.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.2% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.