EC 6103 then UA 952 at Munich
Rome → Munich → Chicago
Timetable, Munich time
14:05EC 6103 from Rome at the gate
11:25UA 952 to Chicago leaves the gate
21 h 20 apart on the timetable, overnight
UA 952 leaves 21 h 20 after EC 6103 arrives on the timetable: more than half a day, so not a connection we count.