Flying with a groom’s suit? Skip checking it and pack it in a carry-on garment...

https://wiki-zine.win/index.php/What_If_My_Suit_Bag_Won%27t_Fit_in_the_Bin_on_a_Full_Flight%3F_Practical_Tips_for_Traveling_with_Your_Suit

Flying with a groom’s suit? Skip checking it and pack it in a carry-on garment duffel for extra protection