HARRISBURG, Pa. (WHTM) — If you have a flight with Delta Air Lines coming up, you may want to make sure you can access your frequent flier account before you head to the airport.

The airline locked access to some customer frequent flier accounts because of cybersecurity concerns it learned of earlier in the week and didn't immediately notify those customers, based on similar information provided by two different reservations agents at different times Saturday to an affected customer, a reporter for Nexstar's WHTM.

The potential security breach happened last week, based on the information provided. The reporter discovered the problem Saturday while trying to log into the airline's system to check in for a flight scheduled for Sunday. The login failed, as did an attempt to reset the password.

This previously unreported issue occurred while Delta also worked to recover from a severe storm at its Atlanta hub, which caused the airline to cancel nearly 1,000 flights Friday and Saturday.

The reporter called the airline's reservations........

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