DL 387 then DL 116 at Salt Lake City
Atlanta → Salt Lake City → Oklahoma City
Timetable, Salt Lake City time
12:14DL 387 from Atlanta at the gate
09:31DL 116 to Oklahoma City leaves the gate
21 h 17 apart on the timetable, overnight
DL 116 leaves 21 h 17 after DL 387 arrives on the timetable: more than half a day, so not a connection we count.