AI 3318 then 6E 91 at Mumbai
Patna → Mumbai → Jeddah
Timetable, Mumbai time
11:15AI 3318 from Patna at the gate
00:006E 91 to Jeddah leaves the gate
12 h 45 apart on the timetable, overnight
6E 91 leaves 12 h 45 after AI 3318 arrives on the timetable: more than half a day, so not a connection we count.