 Passengers with Spirit Airlines say their flights haven't been canceled. Many of them have been delayed. And a lot of them are unable to access their mobile boarding passes, which is why they are now in line to try to get a physical copy. American Airlines says it has now safely reestablished operations. And just in, CrowdStrike, blaming a defective Windows update, says it's working on a fix. The company says it is not a cyber attack.