UA 5282 then BR 643 at O'Hare
Colorado Springs → Chicago → Anchorage
Timetable, Chicago time
11:56UA 5282 from Colorado Springs at the gate
11:55BR 643 to Anchorage leaves the gate
23 h 59 apart on the timetable, overnight
BR 643 leaves 23 h 59 after UA 5282 arrives on the timetable: more than half a day, so not a connection we count.