BR 608 then UA 5815 at O'Hare
Anchorage → Chicago → Lexington
Timetable, Chicago time
20:40BR 608 from Anchorage at the gate
10:35UA 5815 to Lexington leaves the gate
13 h 55 apart on the timetable, overnight
UA 5815 leaves 13 h 55 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.