Direct flights from San Diego (SAN) to Houston (IAH): 7 nonstop departures observed each week across 1 airline. The median arrival is on schedule. No cancellations were recorded across the 1 tracked flight. The nonstop covers 2,093 km, an estimated 3 hours 11 minutes in the air. Measured by Pro Flight Search from live flight boards at San Diego and Houston. Updated 16 October 2026 at 19:39 UTC.
The SAN board at 12:24 shows departure at 16:05 instead of 15:00, gate 41.
The SAN board at 12:24 shows departure at 18:00 instead of 16:46, gate 45.
Checked SAN board 12:24 · IAH board 14:39
route health from live SAN and IAH delay boards
Median arrival delay is −1 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Current conditions put the pressure at SAN: 50% odds of a 15+ minute delay and around +18 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
Pro Flight Search records official board updates for nonstop SAN to IAH flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — San Diego (SAN) to Houston (IAH) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/SAN-IAH
Mostly on schedule. The departure side at SAN is the weaker end, route health score 80/100. The airports section above carries the live status and delay window at both ends.
Operators schedule morning departures around 08:00 from SAN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.
Great-circle distance is 2,093 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 178–209 min gate-to-gate on this route.
United Airlines runs the route with about 35 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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