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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,404
If you get one bag free, some airlines charge the second bag fee for the second checked bag instead of pricing it as if it were the first checked bag by someone who doesn't get a free bag.
Note that lap infants have a different baggage allowance than passengers with paid seats.