San Antonio (SAT) to New York (JFK): On-Time Performance
Data through July 2026
San Antonio (SAT) to New York (JFK) 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, 78% arrived on time. Cancellations are the bigger caveat: 3.2% of scheduled flights never departed.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 0.99
- last 12 months
- Duration
- 4h 2m
- scheduled
- Distance
- 1,587 mi
Best airline from SAT to JFK
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 79% | 23 min | 2.8% | 759 |
| JetBlue Airways | 69% | 18 min | 6.3% | 111 |
Monthly on-time trend
Best time to fly from SAT to JFK
Aim for departures around 12 p.m. (80% on-time); avoid 1 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 81% | 18 min |
| Tuesday | 77% | 15 min |
| Wednesday | 80% | 12 min |
| Thursday | 79% | 26 min |
| Friday | 78% | 30 min |
| Saturday | 77% | 37 min |
| Sunday | 71% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations33%
- National airspace system25%
- Weather10%
Frequently asked questions
- How often are flights from SAT to JFK delayed?
- 22% of SAT–JFK 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 23 minutes.
- Which airline is most reliable from SAT to JFK?
- Delta Air Lines has the best on-time record on this route at 79%, based on 759 flights. 2 airlines flew SAT–JFK frequently enough to compare in this period.
- What is the best time of day to fly from SAT to JFK?
- Departures around 12 p.m. have the best record (80% on-time), while departures around 1 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAT to JFK?
- The scheduled SAT–JFK flight time averages 4h 2m over 1,587 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are SAT to JFK flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from SAT to JFK?
- July 2025 was the roughest month in this dataset, with only 52% of arrivals on time. The best was April 2026 at 97%. If your dates are flexible, that 45-point gap is worth planning around.
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Based on 870 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.