BR 608 then UA 5783 at O'Hare
Anchorage → Chicago → Nashville
Timetable, Chicago time
20:40BR 608 from Anchorage at the gate
12:23UA 5783 to Nashville leaves the gate
15 h 43 apart on the timetable, overnight
UA 5783 leaves 15 h 43 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.