4Y 3 then UA 945 at Frankfurt
Punta Cana → Frankfurt am Main → Chicago
Timetable, Frankfurt am Main time
09:154Y 3 from Punta Cana at the gate
08:40UA 945 to Chicago leaves the gate
23 h 25 apart on the timetable, overnight
UA 945 leaves 23 h 25 after 4Y 3 arrives on the timetable: more than half a day, so not a connection we count.