BA 297 then UA 6060 at O'Hare
London → Chicago → Lancaster
Timetable, Chicago time
18:45BA 297 from London at the gate
16:55UA 6060 to Lancaster leaves the gate
22 h 10 apart on the timetable, overnight
UA 6060 leaves 22 h 10 after BA 297 arrives on the timetable: more than half a day, so not a connection we count.