UA 5195 then UA 751 at O'Hare
Macon → Chicago → Portland (Oregon)
Timetable, Chicago time
14:30UA 5195 from Macon at the gate
09:00UA 751 to Portland (Oregon) leaves the gate
18 h 30 apart on the timetable, overnight
UA 751 leaves 18 h 30 after UA 5195 arrives on the timetable: more than half a day, so not a connection we count.