CZ 435 then UA 1049 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
17:05CZ 435 from Anchorage at the gate
07:20UA 1049 to Las Vegas leaves the gate
14 h 15 apart on the timetable, overnight
UA 1049 leaves 14 h 15 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.