UA 5210 then UA 1113 at O'Hare
Saginaw → Chicago → Jacksonville
Timetable, Chicago time
14:15UA 5210 from Saginaw at the gate
10:44UA 1113 to Jacksonville leaves the gate
20 h 29 apart on the timetable, overnight
UA 1113 leaves 20 h 29 after UA 5210 arrives on the timetable: more than half a day, so not a connection we count.