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WanderNerd

Route Reliability

Nashville → Boston

BNABOS · 942 miles · Nashville International Airport to Boston Logan International Airport

67
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
15 min
Average arrival delay
2.0%
Cancelled
2,959
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines77%1,031 flights
  2. 2.JetBlue Airways71%873 flights
  3. 3.Southwest Airlines63%995 flights

Not enough history to rank: Spirit Airlines (58 flights), American Airlines (2 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

BNA–BOS flights departing between 6–9 AM arrived on time 89% of the time, versus 47% between 9 PM–12 AM.

Thursdays have been rough.

BNA–BOS flights arrived on time 81% of the time on Saturdays and just 63% on Thursdays. That gap is worth planning around.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 77% of the time on this route; Southwest Airlines managed 63%.

Slipping a little lately.

BNA–BOS flights arrived on time 71% of the time over the last three months in the data, compared with 76% in the three months before that.

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
  • Mon65%(431 flights)
  • Tue73%(400 flights)
  • Wed78%(392 flights)
  • Thu63%(427 flights)
  • Fri66%(447 flights)
  • Sat81%(357 flights)
  • Sun66%(443 flights)
On-time by departure window
  • 6–9 AM89%(588 flights)
  • 9 AM–12 PM75%(905 flights)
  • 12–3 PM60%(342 flights)
  • 3–6 PM55%(325 flights)
  • 6–9 PM60%(703 flights)
  • 9 PM–12 AM47%(34 flights)
On-time trend by month
70%
May

Jun 68% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%281
July 202566%278
August 202580%265
September 202557%256
October 202559%324
November 202578%229
December 202575%199
January 202679%166
February 202674%163
March 202670%230
April 202674%238
May 202670%268

Based on 2,959 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.