KL 515 then U2 7849 at Schiphol
Dar es Salaam → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
07:45KL 515 from Dar es Salaam at the gate
07:30U2 7849 to Birmingham (UK) leaves the gate
23 h 45 apart on the timetable, overnight
U2 7849 leaves 23 h 45 after KL 515 arrives on the timetable: more than half a day, so not a connection we count.