BR 646 then UA 4420 at O'Hare
Anchorage → Chicago → Little Rock
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
12:29UA 4420 to Little Rock leaves the gate
19 h 19 apart on the timetable, overnight
UA 4420 leaves 19 h 19 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.