UA 1239 then KD 211 at O'Hare
San Jose (California) → Chicago → Anchorage
Timetable, Chicago time
12:54UA 1239 from San Jose (California) at the gate
12:00KD 211 to Anchorage leaves the gate
23 h 06 apart on the timetable, overnight
KD 211 leaves 23 h 06 after UA 1239 arrives on the timetable: more than half a day, so not a connection we count.