Delta Air Lines already knows it will face "operational challenges" over the Fourth of July weekend, so it's trying to get customers to rejigger their plans ahead of time by offering free rebooking.
Why it matters: It's a sign of how bad the state of air travel is today that airlines have to beg their passengers to change their vacation plans. But at least Delta is trying to be proactive in the face of cascading issues that are disrupting air travel worldwide.
