3S 446 then UA 8137 at O'Hare
Frankfurt am Main → Chicago → Los Angeles
Timetable, Chicago time
23:493S 446 from Frankfurt am Main at the gate
13:50UA 8137 to Los Angeles leaves the gate
14 h 01 apart on the timetable, overnight
UA 8137 leaves 14 h 01 after 3S 446 arrives on the timetable: more than half a day, so not a connection we count.