CA 1055 then UA 938 at O'Hare
Anchorage → Chicago → London
Timetable, Chicago time
22:20CA 1055 from Anchorage at the gate
21:50UA 938 to London leaves the gate
23 h 30 apart on the timetable, overnight
UA 938 leaves 23 h 30 after CA 1055 arrives on the timetable: more than half a day, so not a connection we count.