UA 719 then KD 211 at O'Hare
Philadelphia → Chicago → Anchorage
Timetable, Chicago time
14:50UA 719 from Philadelphia at the gate
12:00KD 211 to Anchorage leaves the gate
21 h 10 apart on the timetable, overnight
KD 211 leaves 21 h 10 after UA 719 arrives on the timetable: more than half a day, so not a connection we count.