AA 5255 then K4 810 at O'Hare
Dayton → Chicago → Anchorage
Timetable, Chicago time
08:43AA 5255 from Dayton at the gate
04:00K4 810 to Anchorage leaves the gate
19 h 17 apart on the timetable, overnight
K4 810 leaves 19 h 17 after AA 5255 arrives on the timetable: more than half a day, so not a connection we count.