Delta became the latest airline to succumb to a massive IT failure last month. It was a total meltdown for all platforms as Delta.com and the Delta app were both inaccessible which led to a nationwide grounding of all Delta domestic flights. Late that night, operations gradually came back online, but updates were being announced individually for each airport, still leaving many travelers confused and without flight options.

We’ve all experienced flight delays. While it’s never fun, you can have some control over the situation if you’ve paid for your ticket with the right credit card. Some cards will reimburse you for expenses incurred because of the delay giving you plenty of options including taking a different flight, renting a car or staying at a hotel. Let’s take a look at which cards offer what.

Sometimes a situation calls for a soundtrack. For Southwest Airlines, that song could easily be the recent hit “Happy” by Pharrell Williams. A new study from the U.S. Department of Transportation (DOT) revealed that Southwest Airlines has the happiest customers among air carriers.