Historical on-time performance
Nashville to San Diego
1,751 miData through May 2026Source: US DOT · BTS
Flights on BNA–SAN arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 1,038 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9035 minCancel0.9%Flights1,038
Why flights run late
Delay causes
- Airline28%
- Weather1%
- Air traffic (NAS)16%
- Late aircraft55%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather89%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 9 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BNA → SAN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 999 flights
- Middays75% on time · p90 35 min · 417 flights
- Overnights67% on time · p90 50 min · 455 flights
- Afternoons67% on time · p90 55 min · 427 flights
- Evenings60% on time · p90 60 min · 410 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 80% on time.
- Tuesdays80% on time · p90 30 min · 387 flights
- Wednesdays77% on time · p90 30 min · 386 flights
- Saturdays77% on time · p90 30 min · 332 flights
- Mondays76% on time · p90 40 min · 408 flights
- Fridays73% on time · p90 35 min · 412 flights
- Sundays71% on time · p90 40 min · 376 flights
- Thursdays71% on time · p90 45 min · 407 flights
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