 And it's been days since a massive tech glitch triggered global outages, and the fallout continues, though. Cyber security firm CrowdStrike said a Microsoft update was to blame for taking businesses offline and grounding flights on Friday. Fast forward to today, flights are still being impacted as airlines scramble to catch up. FlightAware puts the number of cancellations already today at close to 800, with more than 1,200 delays.