Historical on-time performance
Nashville to Boston
942 miData through Dec 2025Source: US DOT · BTS
Flights on BNA–BOS arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 2,626 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time84%Medianon timep9035 minCancel1.0%Flights396
- Delta Air LinesOn-time67%Medianon timep9085 minCancel0.4%Flights447
- Southwest AirlinesOn-time68%Medianon timep9065 minCancel0.7%Flights962
- Spirit AirlinesOn-time83%Medianon timep9045 minCancel0.0%Flights30
- JetBlue AirwaysOn-time68%Medianon timep9070 minCancel1.8%Flights791
Why flights run late
Delay causes
- Airline28%
- Weather3%
- Air traffic (NAS)30%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BNA → BOS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 20 min · 2,111 flights
- Middays78% on time · p90 45 min · 2,340 flights
- Evenings68% on time · p90 75 min · 2,304 flights
- Afternoons62% on time · p90 85 min · 867 flights
- Overnights55% on time · p90 70 min · 405 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Saturdays79% on time · p90 40 min · 959 flights
- Wednesdays79% on time · p90 45 min · 1,117 flights
- Tuesdays78% on time · p90 45 min · 1,123 flights
- Fridays72% on time · p90 55 min · 1,207 flights
- Thursdays72% on time · p90 60 min · 1,189 flights
- Mondays71% on time · p90 65 min · 1,210 flights
- Sundays70% on time · p90 70 min · 1,222 flights
Advertisement
Keep exploring