OAG Megahubs 2026: Istanbul Airport Tops Global Connectivity Ranking for First Time

OAG published Megahubs 2026, ranking the world's most internationally connected airports. Istanbul Airport (IST) takes first place globally for the first time, with connections to 337 destinations; Turkish Airlines operates 80% of flights there. London Heathrow (LHR) moves into second place, though potential connections on the busiest day fell 6% year-on-year, partly reflecting ongoing Middle East schedule disruption. Amsterdam Schiphol (AMS) holds third, and Kuala Lumpur (KUL) retains fourth and remains Asia's most connected airport, with destinations rising to 154. Chicago O'Hare (ORD) rises to fifth, with potential connections up 9.8% and destinations expanding from 297 to 308. Asia Paci…