6E 6224 then AI 639 at Mumbai
Guwahati → Mumbai → Chennai
Timetable, Mumbai time
09:106E 6224 from Guwahati at the gate
21:50AI 639 to Chennai leaves the gate
12 h 40 apart on the timetable
AI 639 leaves 12 h 40 after 6E 6224 arrives on the timetable: more than half a day, so not a connection we count.