Flying with a groom’s suit? Skip the checked bag and pack it in a garment...
https://www.slideserve.com/gwyneyxcez/how-to-pack-a-suit-in-a-standard-garment-bag-for-a-flight
Flying with a groom’s suit? Skip the checked bag and pack it in a garment duffel or garment bag as your carry-on to keep it wrinkle-free