WN 1638 then UA 3439 at Detroit
Chicago Midway → Detroit → Newark
Timetable, Detroit time
17:15WN 1638 from Chicago Midway at the gate
17:12UA 3439 to Newark leaves the gate
23 h 57 apart on the timetable, overnight
UA 3439 leaves 23 h 57 after WN 1638 arrives on the timetable: more than half a day, so not a connection we count.