IX 1381 then AI 2428 at Mumbai
Lucknow → Mumbai → New Delhi
Timetable, Mumbai time
16:45IX 1381 from Lucknow at the gate
08:00AI 2428 to New Delhi leaves the gate
15 h 15 apart on the timetable, overnight
AI 2428 leaves 15 h 15 after IX 1381 arrives on the timetable: more than half a day, so not a connection we count.