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Route Reliability

Nashville → St. Louis

BNA–STL · 272 miles · Nashville International Airport to St. Louis Lambert International Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
2 min
Average arrival delay
0.9%
Cancelled
1,268
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 1,268 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BNA–STL flights departing between 3–6 AM arrived on time 100% of the time, versus 69% between 6–9 PM.

Skip Monday if you can.

BNA–STL flights arrived on time 88% of the time on Saturdays. On Mondays: 75%.

Recent months have been rougher.

BNA–STL flights arrived on time 77% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon75%(200 flights)
  • Tue84%(186 flights)
  • Wed86%(180 flights)
  • Thu79%(198 flights)
  • Fri83%(200 flights)
  • Sat88%(120 flights)
  • Sun77%(173 flights)
On-time by departure window
  • 3–6 AM100%(10 flights)
  • 6–9 AM97%(327 flights)
  • 9 AM–12 PM83%(111 flights)
  • 12–3 PM81%(162 flights)
  • 3–6 PM81%(129 flights)
  • 6–9 PM69%(303 flights)
  • 9 PM–12 AM73%(215 flights)
On-time trend by month
68%
May

Jun 78% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%102
July 202576%99
August 202591%107
September 202592%108
October 202571%119
November 202580%102
December 202578%101
January 202693%93
February 202686%94
March 202685%108
April 202678%111
May 202668%113

Keep nerding

Based on 1,268 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.