Direct flights from Houston to San Juan IAH → SJU
United Airlines flies nonstop from Houston (IAH) to San Juan (SJU), several times daily. The flight takes about 4h 38m and covers 2,006 miles (3,228 km). Arrivals run on time 78.1% at IAH and 72.9% at SJU — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 2 July 2026.
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United Airlines
UA
Departure Schedule typical week
Typical weekly schedule · 21 flights per week (~3 per day) · Updated 60d ago
United Airlines
Frequently asked questions
Is there a direct flight from Houston to San Juan?
Yes, United Airlines operates nonstop flights from Houston (IAH) to San Juan (SJU).
Which airlines fly direct from Houston to San Juan?
United Airlines operates nonstop flights from Houston to San Juan.
How long is the flight from Houston to San Juan?
The nonstop flight from Houston to San Juan takes ~4h 38m (approximately 3228 km).
How often do direct flights operate from Houston to San Juan?
Nonstop flights from Houston to San Juan operate multiple daily — 21 flights per week (~3 per day).
What is the on-time performance for flights from Houston to San Juan?
Arrivals run on time 78.1% at IAH and 72.9% at SJU — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Houston to San Juan?
Direct flights from Houston to San Juan operate every day of the week.
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