G7 3375 then UA 1113 at O'Hare
St Louis → Chicago → Jacksonville
Timetable, Chicago time
17:47G7 3375 from St Louis at the gate
10:45UA 1113 to Jacksonville leaves the gate
16 h 58 apart on the timetable, overnight
UA 1113 leaves 16 h 58 after G7 3375 arrives on the timetable: more than half a day, so not a connection we count.