Which are the world's most connected airports?

Türkiye's Istanbul Airport tops the list of the world's most connected airports by the OAG Megahubs Index. It's followed by London's Heathrow Airport and Netherlands' Amsterdam Airport Schiphol. Malaysia's Kuala Lumpur International Airport and USA's O'Hare International Airport come next. Delhi's Indira Gandhi International Airport is the only Indian airport on the list and is at 28th position.