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WanderNerd

Route Reliability

San Francisco → Nashville

SFOBNA · 1,969 miles · San Francisco International Airport to Nashville International Airport

81
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
7 min
Average arrival delay
0.6%
Cancelled
1,163
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines81%856 flights
  2. 2.Southwest Airlines62%307 flights

What the data says

Morning flights do better here.

SFO–BNA flights departing between 6–9 AM arrived on time 94% of the time, versus 68% between 12–3 PM.

Sunday scaries are real for this one.

SFO–BNA flights arrived on time 85% of the time on Saturdays and just 70% on Sundays. That gap is worth planning around.

United Airlines has a clear lead on this route.

United Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 62%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon77%(170 flights)
  • Tue78%(137 flights)
  • Wed79%(154 flights)
  • Thu75%(179 flights)
  • Fri71%(178 flights)
  • Sat85%(150 flights)
  • Sun70%(187 flights)
On-time by departure window
  • 6–9 AM94%(36 flights)
  • 9 AM–12 PM74%(466 flights)
  • 12–3 PM68%(41 flights)
  • 3–6 PM76%(200 flights)
  • 6–9 PM(3 flights)
  • 9 PM–12 AM77%(409 flights)
On-time trend by month
72%
May

Jun 74% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%108
July 202575%112
August 202568%88
September 202573%92
October 202582%110
November 202567%97
December 202573%74
January 202680%59
February 202685%81
March 202681%112
April 202682%108
May 202672%114

Based on 1,163 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.