Air New ZealandNZ
Flights NZ9193 varies We Su
live
Direct flights from San Francisco (SFO) to Houston (IAH): 16 nonstop departures observed each week across 3 airlines. 90% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes late. No cancellations were recorded across the 10 tracked flights. The nonstop covers 2,627 km, an estimated 3 hours 52 minutes in the air. Measured by Pro Flight Search from live flight boards at San Francisco and Houston. Updated 8 September 2026 at 00:26 UTC.
SFO
San Francisco
smooth · +0
IAH
Houston
smooth · +0
2,627 km · ~3h 52m est.
Runs reliable · 3 airlines · 16x weekly · nonstop
90% on time
of the last 10 operated SFO → IAH flights arrived within 15 minutes
Median arrival delay is +8 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+8 minacross the last 10 operated legs
Flight time~3h 52mestimated from route distance
Weekly departures16x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 10
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air New ZealandANA (All Nippon Airways)United Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomes09-07EK6365departed+8
09-07EK6418departed+13
09-07NZ9196departed+13
09-07NZ9199departed+8
09-07VA8083departed+13
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at SFO: 54% odds of a 15+ minute delay and around +23 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
How the San Francisco to Houston route actually runs
Pro Flight Search records official board updates for nonstop SFO 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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — San Francisco (SFO) to Houston (IAH) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SFO-IAH
SFO to IAH questions
Is SFO–IAH running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SFO–IAH?
Operators schedule morning departures around 00:45 and evening departures around 18:30 from SFO. 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.
How long is the flight from SFO to IAH?
Great-circle distance is 2,627 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 215–255 min gate-to-gate on this route.
How often does SFO–IAH fly?
3 carriers operate this route, around 79 flights a week between them. Compare carrier days and times in the airline list above.
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