ET 3608 then UA 2813 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
19:55UA 2813 to Houston leaves the gate
12 h 39 apart on the timetable
UA 2813 leaves 12 h 39 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.