Southwest Airlines Carry On Baggage Rules 2024 allow each passenger one carry-on bag and one personal item, both free of charge. The carry-on bag must not exceed 24 x 16 x 10 inches, while the personal item should fit under the seat in front. There are no weight limits for carry-ons, but oversized bags may need to be checked. Read more :- https://www.flyjourneyguide.com/southwest-carry-on-baggage-rules/