CV 12 then UA 929 at O'Hare
Anchorage → Chicago → London
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
15:45UA 929 to London leaves the gate
20 h 34 apart on the timetable, overnight
UA 929 leaves 20 h 34 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.