AA 4147 then AA 2387 at DFW
Lubbock → Dallas-Fort Worth → San Francisco
Timetable, Dallas-Fort Worth time
07:28AA 4147 from Lubbock at the gate
11:15AA 2387 to San Francisco leaves the gate
3 h 47 apart on the timetable
The last days
AA 4147 and AA 2387 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.