Chhatrapati Shivaji Maharaj International Airport is set to redevelop Terminal 1, which has been in operation for nearly 80 years, effective October 25, 2026. In January 2027, redevelopment will commence with initial work on the northern section of Terminal 1B. Passengers should monitor flight statuses and await further updates during this transition, with potential temporary transfers to Navi Mumbai International Airport for certain airlines.