Historical on-time performance
New York to Jacksonville
828 miData through Dec 2025Source: US DOT · BTS
Flights on JFK–JAX arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.6%of scheduled flights
based on 1,119 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.
- Delta Air LinesOn-time71%Medianon timep9065 minCancel5.3%Flights133
- Republic AirwaysOn-time68%Medianon timep9055 minCancel5.4%Flights112
- JetBlue AirwaysOn-time66%Medianon timep9080 minCancel3.1%Flights874
Why flights run late
Delay causes
- Airline38%
- Weather3%
- Air traffic (NAS)21%
- Late aircraft37%
- 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 JFK → JAX
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 — 83% on time.
- Mornings83% on time · p90 30 min · 1,735 flights
- Middays74% on time · p90 50 min · 801 flights
- Afternoons70% on time · p90 65 min · 1,275 flights
- Evenings67% on time · p90 80 min · 930 flights
- Overnights57% on time · p90 95 min · 414 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.
- Tuesdays78% on time · p90 50 min · 726 flights
- Wednesdays78% on time · p90 40 min · 726 flights
- Thursdays75% on time · p90 55 min · 737 flights
- Mondays72% on time · p90 65 min · 757 flights
- Sundays71% on time · p90 65 min · 743 flights
- Fridays71% on time · p90 60 min · 744 flights
- Saturdays69% on time · p90 65 min · 722 flights
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