Over the past few months, Southwest Airlines has announced several controversial changes, such as adding bag fees and changing its boarding process. Travelers have openly chastised the airline for its recent changes,

Just two months after ending its long-standing “Bags Fly Free” policy, the airline has announced when it will roll out assigned seating — a significant shift from its traditional boarding process. For decades, Southwest used a first-come, first-served system, along with free checked bags, that set it apart from its competitors.

Here are some of the classic things Southwest Airlines used to say about its half-century-old open-seating policy, which starts going away tomorrow: “It’s open seating. You can sit anywhere you want—just like at church.