New York (JFK) to San Antonio (SAT): On-Time Performance
Data through July 2026
New York (JFK) to San Antonio (SAT) is a thinner route than most in this dataset — 362 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 85% arrived on time, comfortably above the national average of 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 0.99
- last 12 months
- Duration
- 4h 20m
- scheduled
- Distance
- 1,587 mi
Best airline from JFK to SAT
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 88% | 11 min | 2.6% | 759 |
| JetBlue Airways | 69% | 17 min | 2.7% | 111 |
Monthly on-time trend
Best time to fly from JFK to SAT
Aim for departures around 7 a.m. (91% on-time); avoid 9 a.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 12 min |
| Tuesday | 87% | 12 min |
| Wednesdaybest | 92% | 4 min |
| Thursday | 85% | 12 min |
| Friday | 84% | 10 min |
| Saturday | 81% | 20 min |
| Sunday | 82% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft8%
- Airline operations60%
- National airspace system30%
- Weather2%
Frequently asked questions
- How often are flights from JFK to SAT delayed?
- 15% of JFK–SAT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from JFK to SAT?
- Delta Air Lines has the best on-time record on this route at 88%, based on 759 flights. 2 airlines flew JFK–SAT frequently enough to compare in this period.
- What is the best time of day to fly from JFK to SAT?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 9 a.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to SAT?
- The scheduled JFK–SAT flight time averages 4h 20m over 1,587 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are JFK to SAT flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from JFK to SAT?
- December 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was August 2025 at 100%. If your dates are flexible, that 30-point gap is worth planning around.
Explore related pages
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Related guides
Based on 870 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.