UA3916 HoustonIAH San FranciscoSFO
UA3916 by United Airlines flies from Houston (IAH) to San Francisco (SFO).
scheduled from IAH
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IAH and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Houston to San Francisco flights today
same route · United AirlinesIf UA3916 is cancelled, these are the other United Airlines nonstop flights from Houston to San Francisco on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3916 actually runs
Pro Flight Search has tracked every published board update for UA3916 across the IAH and SFO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at IAH and SFO.
The verdict above is that record speaking, so it reflects how UA3916 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3916? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA3916 Houston to San Francisco on-time performance, measured from the IAH and SFO airport boards.
https://proflightsearch.com/flight/UA3916
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