WN 4960 then DL 1975 at Detroit
St Louis → Detroit → Rochester
Timetable, Detroit time
22:25WN 4960 from St Louis at the gate
21:40DL 1975 to Rochester leaves the gate
23 h 15 apart on the timetable, overnight
DL 1975 leaves 23 h 15 after WN 4960 arrives on the timetable: more than half a day, so not a connection we count.