Historical on-time performance
New York to Charleston
636 miData through Dec 2025Source: US DOT · BTS
Flights on JFK–CHS arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled2.6%of scheduled flights
based on 759 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-time73%Medianon timep9050 minCancel3.0%Flights66
- JetBlue AirwaysOn-time71%Medianon timep9065 minCancel2.6%Flights693
Why flights run late
Delay causes
- Airline36%
- Weather0%
- Air traffic (NAS)26%
- Late aircraft38%
- 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 JFK → CHS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 69% to 83% on time.
- Mornings83% on time · p90 25 min · 1,592 flights
- Middays82% on time · p90 35 min · 808 flights
- Overnights75% on time · p90 60 min · 180 flights · limited
- Evenings72% on time · p90 45 min · 698 flights
- Afternoons69% on time · p90 70 min · 1,001 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 83% on time.
- Wednesdays83% on time · p90 30 min · 591 flights
- Tuesdays81% on time · p90 35 min · 599 flights
- Thursdays78% on time · p90 40 min · 613 flights
- Mondays78% on time · p90 55 min · 625 flights
- Fridays76% on time · p90 55 min · 618 flights
- Saturdays75% on time · p90 60 min · 609 flights
- Sundays73% on time · p90 55 min · 624 flights
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