ET 3608 then UA 308 at O'Hare
Anchorage → Chicago → Santa Ana
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
19:48UA 308 to Santa Ana leaves the gate
12 h 32 apart on the timetable
UA 308 leaves 12 h 32 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.