UA 5560 then DL 2273 at Salt Lake City
Chicago O'Hare → Salt Lake City → Cincinnati
Timetable, Salt Lake City time
11:48UA 5560 from Chicago O'Hare at the gate
10:05DL 2273 to Cincinnati leaves the gate
22 h 17 apart on the timetable, overnight
DL 2273 leaves 22 h 17 after UA 5560 arrives on the timetable: more than half a day, so not a connection we count.