A global IT outage caused by a faulty Microsoft update, impacting CrowdStrike services, led to significant disruption in air travel worldwide. In India, over 300 flights were canceled, with IndiGo heavily affected, and manual processes were implemented at airports. The outage resulted in approximately 37,000 delayed and 4,000 canceled flights globally, affecting major airports like DFW, LaGuardia, and Hartfield-Jackson International. Passengers faced long lines, with many missing important events and vacations. The outage also affected hospitals and other essential services, forcing postponements of surgeries and other procedures. Airlines are working to resume normal operations, but delays and cancellations are expected to continue through the weekend.