BA 8341 then UA 2827 at San Francisco
New York JFK → San Francisco → Chicago O'Hare
Timetable, San Francisco time
19:31BA 8341 from New York JFK at the gate
10:05UA 2827 to Chicago O'Hare leaves the gatealso AC 4065, VA 8099, NZ 9301
14 h 34 apart on the timetable, overnight
UA 2827 leaves 14 h 34 after BA 8341 arrives on the timetable: more than half a day, so not a connection we count.