Passengers wait at Hartsfield-Jackson Atlanta International Airport after a computer systems failure on Monday caused Delta to delay or cancel hundreds of flights. Branden Camp/AP hide caption
Passengers packed the boarding area at McCarran International Airport in Las Vegas following Monday's Delta outage. Bree Fowler/AP hide caption
Passengers line up to check in before their flights in May at Sky Harbor International Airport in Phoenix. Two new automated security lanes at Atlanta's airport are aimed at reducing long wait times. Matt York/AP hide caption
Changes to Delta's frequent-flier program may ground many SkyMiles members. Chris O'Meara/AP hide caption