Historical on-time performance
Jacksonville to Boston
1,011 miData through Dec 2025Source: US DOT · BTS
Flights on JAX–BOS arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,520 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time76%Medianon timep9055 minCancel1.5%Flights888
- JetBlue AirwaysOn-time64%Medianon timep9085 minCancel2.4%Flights632
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)30%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly JAX → 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 — 87% on time.
- Mornings87% on time · p90 20 min · 704 flights
- Middays73% on time · p90 60 min · 1,727 flights
- Afternoons68% on time · p90 75 min · 327 flights
- Evenings68% on time · p90 75 min · 911 flights
- Overnights55% on time · p90 105 min · 353 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 77% on time.
- Saturdays77% on time · p90 60 min · 482 flights
- Wednesdays77% on time · p90 50 min · 569 flights
- Tuesdays76% on time · p90 65 min · 557 flights
- Thursdays70% on time · p90 70 min · 597 flights
- Fridays70% on time · p90 75 min · 601 flights
- Mondays69% on time · p90 75 min · 613 flights
- Sundays69% on time · p90 75 min · 603 flights
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