Travelers use kiosk to check their bags as they arrive to travel out of Dallas/Fort Worth International airport Tuesday, Nov. 22, 2022, in Grapevine, Texas. Pandemic rebooking issues drove many air passengers to book directly with airlines instead of third-party travel sites. While ancillary fees have become a major part of airline revenue over the past 15 years, airlines have more recently ramped up efforts to drive revenue from add-on fees. (AP Photo/Tony Gutierrez)