BNA → SFO Southwest Airlines

Southwest Airlines · Nashville, TN to San Francisco, CA · 311 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers

This route runs much more reliably at some times of day than others — 89% on-time departing 6–9am vs. 34% departing 3–6pm.
On-time arrival
56%
Median delay
+12 min
90th percentile
+77 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on BNA → SFO (311 flights, 2025-07-01 to 2026-06-30), 56% arrived within 15 minutes of schedule. Median arrival delay +12 min; the worst 10% ran +77 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time17356%
16-30 min3612%
31-60 min5317%
61-120 min3812%
2+ hrs83%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073168%+13 min
2025-083063%+15 min
2025-093077%+10 min
2025-103067%+13 min
2025-112065%+8 min
2025-121747%+24 min
2026-011182%+12 min
2026-021968%+6 min
2026-032986%+2 min
2026-043037%+34 min
2026-053123%+55 min
2026-063013%+64 min

Performance by day of week

DayFlightsOn-time
Mon4445%
Tue3962%
Wed3546%
Thu4356%
Fri4869%
Sat5155%
Sun4858%

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