NASHVILLE, Tenn. (WKRN) – Southwest Airlines is reportedly having issues with their systems Wednesday.

It’s unclear what all is affected by the issues, but the Southwest website is currently down and gives users an alert.

The company said on Twitter they are aware, investigating, and plan to keep customers posted as they have information to share.

“We are working on a fix,” Southwest said in another tweet.

Further details have yet to be released.

While details on how the issue is affecting the Nashville International Airport are not known, there are long lines at the Southwest counters, according to WKRN News 2.