LO 233 then EC 1746 at Brussels
Warsaw → Brussels → Nice
Timetable, Brussels time
18:45LO 233 from Warsaw at the gate
14:05EC 1746 to Nice leaves the gate
19 h 20 apart on the timetable, overnight
EC 1746 leaves 19 h 20 after LO 233 arrives on the timetable: more than half a day, so not a connection we count.