This brand carries both hardside and softside suitcases, including surprisingly spacious carry-ons and checked baggage in multiple sizes so you can find the best design for your needs.
July has those, too. After we tested over a dozen bags in our lab on on our airplane set, some of our favorites included
If you're looking for something you can stash in the overhead bin or under the seat in front of you, Calpak might be your best bet
The suitcases and underseat bags fared better than the duffel we tested, but all in all, we were impressed.