IB 341 then UA 4645 at O'Hare
Madrid → Chicago → Fort Wayne
Timetable, Chicago time
14:55IB 341 from Madrid at the gate
11:25UA 4645 to Fort Wayne leaves the gate
20 h 30 apart on the timetable, overnight
UA 4645 leaves 20 h 30 after IB 341 arrives on the timetable: more than half a day, so not a connection we count.