UA 4171 then KD 211 at O'Hare
Birmingham (Alabama) → Chicago → Anchorage
Timetable, Chicago time
15:30UA 4171 from Birmingham (Alabama) at the gate
12:00KD 211 to Anchorage leaves the gate
20 h 30 apart on the timetable, overnight
KD 211 leaves 20 h 30 after UA 4171 arrives on the timetable: more than half a day, so not a connection we count.