Flying with a groom’s suit? Skip checked bags and pack it in a carry-on garment...
https://www.apu-bookmarks.win/flying-with-a-groom-s-suit-we-ve-got-you-covered-learn-why-a-carry-on-garment
Flying with a groom’s suit? Skip checked bags and pack it in a carry-on garment duffel instead of a bulky garment bag to keep it wrinkle-free and easy to handle