Direct flights from San Diego to Houston SAN → IAH
United Airlines flies nonstop from San Diego (SAN) to Houston (IAH), several times daily. The flight takes about 3h 11m and covers 1,301 miles (2,093 km). Arrivals run on time 75.8% at SAN and 78.1% at IAH — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 4 June 2026.
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United Airlines
UA
Departure Schedule typical week
Typical weekly schedule · 54 flights per week (~8 per day) · Updated 87d ago
United Airlines
Frequently asked questions
Is there a direct flight from San Diego to Houston?
Yes, United Airlines operates nonstop flights from San Diego (SAN) to Houston (IAH).
Which airlines fly direct from San Diego to Houston?
United Airlines operates nonstop flights from San Diego to Houston.
How long is the flight from San Diego to Houston?
The nonstop flight from San Diego to Houston takes ~3h 11m (approximately 2093 km).
How often do direct flights operate from San Diego to Houston?
Nonstop flights from San Diego to Houston operate multiple daily — 54 flights per week (~8 per day).
What is the on-time performance for flights from San Diego to Houston?
Arrivals run on time 75.8% at SAN and 78.1% at IAH — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from San Diego to Houston?
Direct flights from San Diego to Houston operate every day of the week.
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