 CBS's Chris Van Cleave. We're seeing very long lines at airports. This outage basically impacted the airline's back-end systems, so they weren't able to communicate the information they needed to dispatch flights, which meant those flights never left the gate. That's slowly starting to change, but unclear how long it will take to get back up to full speed. Expect delays throughout the day. Microsoft says a fix has been found and implemented. CBS News Special Report. I'm Elaine Cobb.