A widespread global outage of Microsoft's services on December 3, 2025, has caused significant disruptions at airports, leading to check-in chaos and numerous flight delays. The service failure has had a considerable impact on the travel industry, highlighting the widespread reliance on Microsoft's infrastructure for critical operations. At least four major airlines in India, including IndiGo, SpiceJet, Akasa Air, and Air India Express, have been confirmed to be affected by the outage. This has resulted in turmoil for passengers and has put a spotlight on the stability of the cloud services that underpin a growing portion of global business and travel logistics. No specific details on the cause or estimated time for resolution were immediately available.