UA 2486 then CX 99 at O'Hare
San Diego → Chicago → Anchorage
Timetable, Chicago time
22:47UA 2486 from San Diego at the gate
21:15CX 99 to Anchorage leaves the gate
22 h 28 apart on the timetable, overnight
CX 99 leaves 22 h 28 after UA 2486 arrives on the timetable: more than half a day, so not a connection we count.