FR 1799 then U2 3876 at Lisbon
Toulouse → Lisbon → Milan
Timetable, Lisbon time
20:15FR 1799 from Toulouse at the gate
19:15U2 3876 to Milan leaves the gate
23 h apart on the timetable, overnight
U2 3876 leaves 23 h after FR 1799 arrives on the timetable: more than half a day, so not a connection we count.