FR 1944 then FR 4605 at Arlanda
Warsaw Modlin → Stockholm → Kaunas
Timetable, Stockholm time
15:50FR 1944 from Warsaw Modlin at the gate
11:45FR 4605 to Kaunas leaves the gate
19 h 55 apart on the timetable, overnight
FR 4605 leaves 19 h 55 after FR 1944 arrives on the timetable: more than half a day, so not a connection we count.