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Check-in System Failed: On Wednesday morning, the check-in system suddenly came to a standstill at many major airports of the country, due to which the operation of flights was badly affected. The maximum impact was seen at the airports of Bengaluru, Hyderabad and Delhi. 42 flights had to be canceled in Bengaluru, while a huge crowd of passengers gathered at Hyderabad airport. The check-in process in Delhi was immediately switched to manual mode.

Microsoft Windows outage discussed, company calls report ‘fake’

Passengers at Varanasi airport were told that the system has been affected by the global service outage of Microsoft Windows. However, Microsoft completely rejected these reports and said, “There has been no technical problem in Windows.” Windows systems are widely used in airports and in-flight services, so this claim immediately became popular.

Where was the impact and what preparations were made?

Delhi Indira Gandhi International Airport

• Bearing: Four major airlines IndiGo, SpiceJet, Akasa Air and Air India Express faced check-in issues since morning.
• Preparation: All airlines implemented manual check-in and boarding processes. “Our on-ground teams are working closely with all stakeholders to ensure that passengers do not face any inconvenience,” the airport authority said in a post on Twitter.

Hyderabad Rajiv Gandhi International Airport

• Bearing: Due to delay in check-in, there was a huge crowd of passengers. Many flights were missed and many were delayed. An IndiGo spokesperson said, “Due to technology issues, crowding and operational requirements, many of our flights were delayed and some were even cancelled.”
• Preparation: The airport management said that the teams are working hard to normalize operations soon.

Bengaluru International Airport

• Bearing: Due to delay in check-in, 4 flights were delayed. Many Indigo flights were cancelled. A total of 42 flights were cancelled, including 22 inbound and 20 outbound flights.

Situation like cyber attack on Delhi airport last month

5 November 2025: GPS spoofing alert

Many planes flying over Delhi had received wrong GPS signals. This is called GPS spoofing, in which false data is sent to the navigation system. According to air traffic control sources, such incidents were seen within a 100 km radius of Delhi. Spoofing is a technique commonly used in war zones to mislead drones and aircraft.

1 December 2025: Government confirms, situation saved from backup system

“Due to spoofing, planes had received wrong signals. More than 800 flights were delayed and 20 flights had to be cancelled,” Union Civil Aviation Minister Kinjarapu Rammohan Naidu told the Rajya Sabha. He said that the threat of ransomware and malware attacks has increased across the world, hence the Airports Authority of India (AAI) is now focusing on advanced cyber security.