BNA → SAN Southwest Airlines

Southwest Airlines · Nashville, TN to San Diego, CA · 1,052 flights, 2025-07-01 to 2026-06-30 · aggregated across 49 flight numbers

This route has been getting less reliable recently — 2026-06's on-time rate (50%) is well below the 79% average from earlier months.
On-time arrival
76%
Median delay
-4 min
90th percentile
+38 min
Cancellation rate
1%

How on-time is Southwest Airlines from BNA to SAN?

Across every Southwest Airlines flight number on BNA → SAN (1,052 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +38 min or later. 1% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time78576%
16-30 min11511%
31-60 min808%
61-120 min464%
2+ hrs121%

Performance by month

MonthFlightsOn-timeAvg delay
2025-078875%+8 min
2025-087878%0 min
2025-097686%+1 min
2025-108677%+8 min
2025-118481%0 min
2025-129083%0 min
2026-016688%-12 min
2026-027077%+3 min
2026-0310382%-5 min
2026-0410066%+10 min
2026-059974%+4 min
2026-069850%+21 min

Performance by day of week

DayFlightsOn-time
Mon16576%
Tue14582%
Wed14081%
Thu16069%
Fri16474%
Sat12078%
Sun14471%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…