BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
JFK→SAT

New York, NY (JFK) to San Antonio, TX (SAT) flight delay odds

85.6% of 362 official scheduled JFK-to-SAT flights arrived on time; 8.3% arrived at least 30 minutes late and 3.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
85.6%arrived on time
8.3%30+ min late
3.0%cancelled
362scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-3.7 mincompleted flights

Which departure time was most reliable for JFK to SAT?

Only Early morning met the JFK-to-SAT departure window threshold: 86.8% of 325 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning32586.8%7.1%3.4%

Which weekday was most reliable for JFK to SAT?

Among qualifying JFK-to-SAT weekday results, Wednesday had the highest on-time rate: 94.2% of 52 flights. Thursday was lowest at 80.8% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5286.5%7.7%3.8%
Tuesday5388.7%5.7%5.7%
Wednesday5294.2%3.8%1.9%
Thursday5280.8%9.6%1.9%
Friday5284.6%7.7%3.8%
Saturday4981.6%10.2%0.0%
Sunday5282.7%13.5%3.8%

Which airline was most reliable for JFK to SAT?

Only Delta Air Lines met the JFK-to-SAT airline threshold: 85.6% of 362 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines36285.6%8.3%3.0%

Which month was most reliable for JFK to SAT?

Among qualifying JFK-to-SAT month results, August 2025 had the highest on-time rate: 100.0% of 31 flights. December 2025 was lowest at 65.5% across 29 flights.

MonthFlightsOn time30+ minCancelled
July 20253187.1%12.9%0.0%
August 202531100.0%0.0%0.0%
September 20253090.0%6.7%0.0%
October 20253190.3%9.7%0.0%
November 20253090.0%3.3%0.0%
December 20252965.5%27.6%6.9%
January 20263073.3%10.0%10.0%
February 20262875.0%7.1%7.1%
March 20263180.6%6.5%12.9%
April 20263096.7%3.3%0.0%
May 20263196.8%3.2%0.0%
June 20263080.0%10.0%0.0%

What drove JFK to SAT delay minutes?

Airline was the largest recorded JFK-to-SAT delay category, accounting for 62.4% of 4,462 BTS-attributed delay minutes during July 2025–June 2026.

Airline62.4%
Late aircraft8.2%
National airspace26.2%
Weather3.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.