Historical on-time performance
San Antonio to New York
1,587 miData through Dec 2025Source: US DOT · BTS
Flights on SAT–JFK arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 307 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time77%Medianon timep9040 minCancel1.3%Flights307
Why flights run late
Delay causes
- Airline28%
- Weather24%
- Air traffic (NAS)24%
- Late aircraft24%
- 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 SAT → JFK
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 75% on time.
- Middays75% on time · p90 65 min · 655 flights
- Afternoons68% on time · p90 65 min · 802 flights
- Evenings59% on time · p90 110 min · 167 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 75% on time.
- Mondays75% on time · p90 80 min · 234 flights
- Thursdays74% on time · p90 60 min · 231 flights
- Wednesdays73% on time · p90 60 min · 230 flights
- Tuesdays69% on time · p90 50 min · 232 flights
- Fridays67% on time · p90 80 min · 233 flights
- Saturdays65% on time · p90 80 min · 231 flights
- Sundays65% on time · p90 95 min · 233 flights
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