Chhatrapati Shivaji Maharaj International Airport (CSMIA) in Mumbai will undergo a complete operational shutdown on Thursday, May 7, from 11:00 AM to 5:00 PM for vital pre-monsoon maintenance. Both primary and secondary runways will be closed to ensure optimal conditions ahead of Mumbai's notoriously harsh monsoon season. This planned disruption, coordinated six months in advance by Mumbai International Airport Ltd (MIAL), is expected to affect numerous flights, leading to cancellations and delays for many passengers. Travelers are urged to verify their flight status through airline apps or the CSMIA website. Airlines may reroute affected flights through nearby airports such as Pune, Ahmedabad, and Goa, or offer transfers via major cities like Delhi, Bengaluru, or Chennai. Given the airport's handling of over 1,000 daily movements, delays may extend into the evening, so passengers should allow extra time if traveling before or after the closure. This maintenance follows a challenging spring for CSMIA, which had already seen over 170 flight cancellations in March due to disruptions in West Asia airspace.