DL 1120 then DL 2230 at Salt Lake City
Seattle (SEA) → Salt Lake City → Columbus (Ohio)
Timetable, Salt Lake City time
16:26DL 1120 from Seattle (SEA) at the gate
15:59DL 2230 to Columbus (Ohio) leaves the gate
23 h 33 apart on the timetable, overnight
DL 2230 leaves 23 h 33 after DL 1120 arrives on the timetable: more than half a day, so not a connection we count.