DL 754 then WN 2631 at Detroit
San Diego → Detroit → Chicago Midway
Timetable, Detroit time
13:37DL 754 from San Diego at the gate
13:30WN 2631 to Chicago Midway leaves the gate
23 h 53 apart on the timetable, overnight
WN 2631 leaves 23 h 53 after DL 754 arrives on the timetable: more than half a day, so not a connection we count.