UA 8264 then DL 8844 at San Francisco
Houston → San Francisco → Los Angeles
Timetable, San Francisco time
15:49UA 8264 from Houston at the gate
16:40DL 8844 to Los Angeles leaves the gate
51 min apart on the timetable
The last days
UA 8264 and DL 8844 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.