Historical on-time performance
San Diego to New York
2,446 miData through Dec 2025Source: US DOT · BTS
Flights on SAN–JFK arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 2,385 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-time79%Medianon timep9040 minCancel1.5%Flights1,033
- Alaska AirlinesOn-time79%Medianon timep9025 minCancel1.1%Flights629
- JetBlue AirwaysOn-time81%Medianon timep9030 minCancel2.4%Flights723
Why flights run late
Delay causes
- Airline28%
- Weather9%
- Air traffic (NAS)41%
- Late aircraft22%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → JFK
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Overnights are the most reliable time of day to fly this route — 83% on time.
- Overnights83% on time · p90 25 min · 2,586 flights
- Mornings79% on time · p90 30 min · 2,389 flights
- Afternoons71% on time · p90 70 min · 178 flights · limited
- Middays70% on time · p90 60 min · 2,155 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 81% on time.
- Tuesdays81% on time · p90 30 min · 1,012 flights
- Mondays80% on time · p90 30 min · 1,063 flights
- Wednesdays78% on time · p90 40 min · 1,023 flights
- Saturdays77% on time · p90 40 min · 982 flights
- Fridays76% on time · p90 40 min · 1,077 flights
- Thursdays75% on time · p90 40 min · 1,069 flights
- Sundays74% on time · p90 55 min · 1,082 flights
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