DL 541 then TP 234 at Dulles
Seattle → Washington → Lisbon
Timetable, Washington time
22:49DL 541 from Seattle at the gate
22:30TP 234 to Lisbon leaves the gate
23 h 41 apart on the timetable, overnight
TP 234 leaves 23 h 41 after DL 541 arrives on the timetable: more than half a day, so not a connection we count.