9I 612 then AI 129 at Mumbai
Ahmedabad → Mumbai → London
Timetable, Mumbai time
10:509I 612 from Ahmedabad at the gate
06:15AI 129 to London leaves the gate
19 h 25 apart on the timetable, overnight
AI 129 leaves 19 h 25 after 9I 612 arrives on the timetable: more than half a day, so not a connection we count.