White Plains (HPN) to San Juan (SJU): On-Time Performance
Data through May 2026
White Plains (HPN) to San Juan (SJU) is a thinner route than most in this dataset — 363 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.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 0.99
- last 12 months
- Duration
- 3h 47m
- scheduled
- Distance
- 1,624 mi
Monthly on-time trend
Best time to fly from HPN to SJU
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 12 min |
| Tuesday | 70% | 22 min |
| Wednesdaybest | 82% | 10 min |
| Thursday | 77% | 22 min |
| Friday | 81% | 11 min |
| Saturday | 77% | 19 min |
| Sunday | 81% | 39 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft12%
- Airline operations26%
- National airspace system52%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from HPN to SJU delayed?
- 22% of HPN–SJU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 19 minutes.
- How long is the flight from HPN to SJU?
- The scheduled HPN–SJU flight time averages 3h 47m over 1,624 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are HPN to SJU flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from HPN to SJU?
- January 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was May 2026 at 100%. If your dates are flexible, that 43-point gap is worth planning around.
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Based on 577 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.