SAT (San Antonio) to JFK (New York) flights arrive on time 77% of the time. The most reliable airline on this route is Delta Air Lines at 80%. The average delay is 126 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.SAT → JFK
SAT (San Antonio) to JFK (New York)
SAT → JFK on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out JetBlue Airways on this route — 80% vs 70% on time.
Airline Comparison
Delta Air Lines leads at 80% on time; JetBlue Airways trails at 70%.
Accurate?
Good to know
Departing from SAT
81% on timeTSA is currently ~18 min. Best time: 4 AM (about 5 min).
Arriving at JFK
78% on timeWhen flights into JFK are late, the average delay is 78 minutes. Build buffer if you have ground plans.
If connecting at JFK: TSA is ~26 min right now. Allow at least 60 minutes for a domestic connection.
JFK has a 2.3% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.