AA 2178 then DL 8842 at Salt Lake City
Dallas-Fort Worth → Salt Lake City → San Francisco
Timetable, Salt Lake City time
10:17AA 2178 from Dallas-Fort Worth at the gate
18:28DL 8842 to San Francisco leaves the gate
8 h 11 apart on the timetable
The last days
AA 2178 and DL 8842 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.