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WanderNerd

Route Reliability

Nashville → Baltimore

BNABWI · 587 miles · Nashville International Airport to Baltimore/Washington International Thurgood Marshall Airport

77
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
4 min
Average arrival delay
2.2%
Cancelled
1,855
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines79% on time · 1,763 flights
  • Spirit Airlines75% on time · 92 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.

BNA–BWI flights departing between 3–6 AM arrived on time 99% of the time, versus 62% between 9 PM–12 AM.

Sunday scaries are real for this one.

BNA–BWI flights arrived on time 86% of the time on Tuesdays. On Sundays: 72%.

Recent months have been rougher.

BNA–BWI flights arrived on time 76% of the time over the last three months in the data, compared with 87% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(274 flights)
  • Tue86%(240 flights)
  • Wed86%(230 flights)
  • Thu77%(279 flights)
  • Fri78%(276 flights)
  • Sat80%(225 flights)
  • Sun72%(286 flights)
On-time by departure window
  • 3–6 AM99%(135 flights)
  • 6–9 AM92%(318 flights)
  • 9 AM–12 PM94%(287 flights)
  • 12–3 PM74%(334 flights)
  • 3–6 PM66%(264 flights)
  • 6–9 PM67%(393 flights)
  • 9 PM–12 AM62%(79 flights)
On-time trend by month
74%
May

Jun 68% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%163
July 202572%165
August 202581%169
September 202587%165
October 202574%168
November 202584%142
December 202581%129
January 202694%120
February 202686%125
March 202674%146
April 202680%155
May 202674%163

Based on 1,855 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.