I carried a KTour bag that has 3 compartments and filled with 5 racquets and a bunch of accessories to Nationals on Soutwest. No problems except for being stopped by TSA in Tucson for having a couple of tennis balls in the bag.
Yonex RDis 100MP, 200MP, 300MP, VCore 100S. Pro's Pro Strings. Klippermate stringer.