UA 4258 then TP 232 at Dulles
Cincinnati Northern Kentucky → Washington → Lisbon
Timetable, Washington time
21:22UA 4258 from Cincinnati Northern Kentucky at the gate
17:25TP 232 to Lisbon leaves the gate
20 h 03 apart on the timetable, overnight
TP 232 leaves 20 h 03 after UA 4258 arrives on the timetable: more than half a day, so not a connection we count.