UA 2 then UA 3853 at San Francisco
Singapore → San Francisco → Houston
Timetable, San Francisco time
09:15UA 2 from Singapore at the gate
16:15UA 3853 to Houston leaves the gate
7 h apart on the timetable
Today
From the airport’s board at 08:03 San Francisco time
09:43UA 2 expected at the gate28 min late
16:15UA 3853 due to leave, no estimate yet
6 h 32 between the gates, on these times
The last days
UA 2 and UA 3853 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.