DL 3862 then DL 9969 at Salt Lake City
Great Falls → Salt Lake City → Los Angeles
Timetable, Salt Lake City time
07:12DL 3862 from Great Falls at the gate
19:30DL 9969 to Los Angeles leaves the gate
12 h 18 apart on the timetable
DL 9969 leaves 12 h 18 after DL 3862 arrives on the timetable: more than half a day, so not a connection we count.