UA 4700 then UA 382 at Houston
Nashville → Houston → San Francisco
Timetable, Houston time
13:17UA 4700 from Nashville at the gate
16:20UA 382 to San Francisco leaves the gate
3 h 03 apart on the timetable
The last days
UA 4700 and UA 382 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.