Which airline is most reliable for JFK (New York) to SAT (San Antonio)?

The most reliable airline on the JFK to SAT route is Delta Air Lines, with an on-time arrival rate of 88%.

How often are flights delayed from JFK to SAT?

About 18% of flights from JFK to SAT experience delays. 82% arrive on time.

What's the average delay on JFK to SAT flights?

When flights from JFK to SAT are delayed, the average delay is approximately 62 minutes.

Is a short connection safe after a JFK to SAT flight?

With 82% of JFK to SAT flights arriving on time and an average delay of 62 minutes when late, a connection under 60 minutes at SAT is risky. We recommend at least 75-90 minutes for domestic connections after this route.

JFK → SAT

JFK (New York) to SAT (San Antonio)

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 May 2026.

JFK → SAT on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

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 time

Expect ~22 min sitting on the taxiway after your gate pushes back. JFK has long runway queues.

TSA is currently ~26 min. Best time: 4 AM (about 5 min).

JFK cancels 2.3% of flights — higher than average. Have a backup plan.

More about JFK →

Arriving at SAT

81% on time

When flights into SAT are late, the average delay is 67 minutes. Build buffer if you have ground plans.

If connecting at SAT: TSA is ~18 min right now. Allow at least 60 minutes for a domestic connection.

More about SAT →Connection times at SAT →

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Data last updated May 2026. Source: Bureau of Transportation Statistics.