JFK (New York) to SAT (San Antonio) flights arrive on time 82% of the time. The most reliable airline on this route is Delta Air Lines at 88%. The average delay is 62 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.JFK → SAT
JFK (New York) to SAT (San Antonio)
JFK → SAT on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines is significantly more reliable on this route at 88% on time vs JetBlue Airways at 71%.
Airline Comparison
Delta Air Lines leads at 88% on time; JetBlue Airways trails at 71%.
Accurate?
Good to know
Departing from JFK
78% on timeExpect ~22 min sitting on the taxiway after your gate pushes back. JFK has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
JFK cancels 2.3% of flights — higher than average. Have a backup plan.
Arriving at SAT
81% on timeWhen flights into SAT are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at SAT: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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 March 2026. Source: Bureau of Transportation Statistics.