Finding the right Personal Bag Dimensions Delta starts with understanding the airline's storage requirements. A suitable item should fit comfortably beneath the seat in front of you and leave enough room for a convenient seating experience. Small backpacks, purses, briefcases, and laptop bags are common options for carrying everyday travel essentials. Delta generally allows one personal item alongside a standard carry-on bag on eligible flights, although applicable conditions may vary. Since the airline does not specify exact numerical dimensions for personal items, check your aircraft details and current baggage policies before choosing your travel bag.