Historical on-time performance
Jacksonville to Boston
1,010 miData through May 2026Source: US DOT · BTS
Flights on JAX–BOS arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,547 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time77%Medianon timep9050 minCancel1.7%Flights895
- JetBlue AirwaysOn-time65%Medianon timep9075 minCancel2.9%Flights652
Why flights run late
Delay causes
- Airline31%
- Weather2%
- Air traffic (NAS)31%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline26%
- Weather35%
- Air traffic (NAS)38%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 34 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
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 · 915 flights
- Middays72% on time · p90 65 min · 1,791 flights
- Evenings67% on time · p90 80 min · 877 flights
- Afternoons65% on time · p90 100 min · 241 flights
- Overnights55% on time · p90 105 min · 382 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.
- Saturdays78% on time · p90 60 min · 511 flights
- Tuesdays77% on time · p90 65 min · 587 flights
- Wednesdays76% on time · p90 55 min · 599 flights
- Thursdays71% on time · p90 70 min · 622 flights
- Fridays70% on time · p90 85 min · 627 flights
- Sundays69% on time · p90 75 min · 630 flights
- Mondays69% on time · p90 75 min · 630 flights
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