DL 653 then DL 3559 at Salt Lake City
Atlanta → Salt Lake City → Northwest Arkansas
Timetable, Salt Lake City time
19:59DL 653 from Atlanta at the gate
17:15DL 3559 to Northwest Arkansas leaves the gate
21 h 16 apart on the timetable, overnight
DL 3559 leaves 21 h 16 after DL 653 arrives on the timetable: more than half a day, so not a connection we count.