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Route Reliability

San Antonio → Nashville

SAT–BNA · 822 miles · San Antonio International Airport to Nashville International Airport

86
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
6 min
Average arrival delay
0.7%
Cancelled
953
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines82% on time · 932 flights
  • Spirit Airlines55% on time · 21 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

SAT–BNA flights departing between 6–9 AM arrived on time 96% of the time, versus 60% between 6–9 PM.

Thursdays have been rough.

SAT–BNA flights arrived on time 90% of the time on Tuesdays and just 74% on Thursdays. That gap is worth planning around.

Slipping a little lately.

SAT–BNA flights arrived on time 76% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(143 flights)
  • Tue90%(124 flights)
  • Wed80%(122 flights)
  • Thu74%(151 flights)
  • Fri81%(148 flights)
  • Sat87%(107 flights)
  • Sun78%(149 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM96%(353 flights)
  • 9 AM–12 PM83%(134 flights)
  • 12–3 PM70%(92 flights)
  • 3–6 PM70%(347 flights)
  • 6–9 PM60%(10 flights)
On-time trend by month
73%
May

Jun 82% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%87
July 202577%87
August 202590%79
September 202592%73
October 202584%87
November 202584%77
December 202586%76
January 202682%62
February 202673%63
March 202677%81
April 202680%84
May 202673%88

Keep nerding

Based on 953 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.