You can also get into Delta Sky Clubs with a great general travel card for business, The Business Platinum Card® from American Express, with an annual fee of $695. Terms apply (see rates and fees).

It's a luxury card for those who fly frequently with Delta and can maximize the card's rich benefits. Those seeking a lower annual fee and more flexibility have other options.

Southwest will continue to offer two free checked bags to Rapids Rewards A-List Preferred Members and customers traveling on ...