UA 980 then FR 96 at Dublin
Chicago → Dublin → Prague
Timetable, Dublin time
08:10UA 980 from Chicago at the gate
05:45FR 96 to Prague leaves the gate
21 h 35 apart on the timetable, overnight
FR 96 leaves 21 h 35 after UA 980 arrives on the timetable: more than half a day, so not a connection we count.