W6 2007 then U2 8315 at Gatwick
Krakow → London → Pisa
Timetable, London time
07:35W6 2007 from Krakow at the gate
06:25U2 8315 to Pisa leaves the gate
22 h 50 apart on the timetable, overnight
U2 8315 leaves 22 h 50 after W6 2007 arrives on the timetable: more than half a day, so not a connection we count.