2.30am I guess is relative depending on where in the world it is, and where you have come from.Best AI connections are MEL BOM LHR and then LHR DEL MEL. If transiting though, the transit city doesnt matter as much ad the airport if its just a few hours there (and BOM is a nice modern airport too,...

A shame that for USA flights you will need to bus over from Midfield to the below-average T3 to still use the current US Pre-clearance immigration.