The indignities of airline flight know no end. Shrinking seats, long lines, nose-bleed fares, and fees galore. One fee that really chafes is the one for checking bags, which, until recent years, had always been free. I recently flew one airline on a deeply discounted fare that charged $50 per checked bag. Overstuffed luggage that exceeds the weight limit will cost you considerably more. But, thanks to the dozen credit cards that offer free checked bags reviewed here, we can stop bag-check fees (and other in-flight fees) in their tracks. On family trips, that can easily save you hundreds of dollars each way. So, plant a flag, take a stand, and get yourself one of these little beauties — the money saved on a few trips per year may easily pay even the most expensive annual fee. These cards offer travelers the most flexibility because they aren’t co-branded to any one airline. Therefore, you receive benefits no matter which carrier you choose. That means you can select the flight that suits you best without sacrifice. The Chase Sapphire Reserve® card packs a wealth of valuable travel perks, starting with a $300 annual statement credit to reimburse travel purchases each account anniv...