Dubai Reigns, Delhi Soars: World's Busiest Airports for December 2025 Revealed

• Dubai International (DXB) tops the list for December 2025 with nearly 5.5 million seats, a 4% rise, driven by global connectivity and festive tourism.
• Hartsfield-Jackson Atlanta (ATL) ranks second globally and busiest in the US, maintaining over 5.21 million seats.
• Delhi Indira Gandhi International Airport (DEL) emerges as a standout at 7th globally with 4.31 million seats, showing a 9% increase, reflecting India's growing aviation market.
• Guangzhou Baiyun (CAN) recorded the strongest growth at 12%, reaching 4.43 million seats, indicating China's rebounding air travel.
• London Heathrow (LHR) remains Europe's busiest, while Istanbul Airport (IST) and Chicago O’Hare (ORD) also show significant growth and global importance.

Why It Matters: December 2025 reveals shifting global aviation patterns with Dubai leading and Delhi making a significant climb.