Historical on-time performance
San Antonio to Nashville
822 miData through May 2026Source: US DOT · BTS
Flights on SAT–BNA arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 932 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.6%Flights932
Why flights run late
Delay causes
- Airline27%
- Weather1%
- Air traffic (NAS)26%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather83%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 SAT → BNA
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 — 95% on time.
- Mornings95% on time · p90 5 min · 1,088 flights
- Middays82% on time · p90 30 min · 356 flights
- Afternoons75% on time · p90 40 min · 746 flights
- Evenings67% on time · p90 60 min · 319 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Tuesdays87% on time · p90 15 min · 344 flights
- Saturdays87% on time · p90 20 min · 303 flights
- Mondays86% on time · p90 20 min · 366 flights
- Fridays84% on time · p90 20 min · 374 flights
- Wednesdays84% on time · p90 25 min · 342 flights
- Thursdays81% on time · p90 30 min · 383 flights
- Sundays80% on time · p90 35 min · 397 flights
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