American charges for checked bags; Southwest lets you check two bags for free as long as they don't weigh over 50 pounds; JetBlue gives you the first checked bag free; and only Spirit also charges for carry on bags unless they're small enough to fit under the seat in front of you.
Remnant definition, a remaining, usually small part, quantity, number, or the like. See more.
pertaining to or constituting a residue or remainder; remaining; leftover. 2. Mathematics. formed by the subtraction of one quantity from another: a residual quantity. (of a set) having complement of first category.