American Airlines has a system-wide ground delay until 5 p.m. ET, according to the airline's Twitter account.
The airline tweeted that there is a problem with its ability to access its reservation system.
Follow complete coverage of breaking news on CNN TV, http://cnn.com and CNN Mobile.
Anthony Bourdain Parts Unknown
New Show. No Boundaries.
Sundays at 9pm ET/PT on CNN
You have opted-in to receive this e-mail from CNN.com. To unsubscribe from Breaking News e-mail alerts, go to: http://cgi.cnn.com/m/clik?l=textbreakingnews
One CNN Center Atlanta, GA 30303
(c) & (r) 2013 Cable News Network