Which Delta credit card is right for you? Expert advice from frequent Delta flyers

If you fly Delta Air Lines even a few times a year, you've probably wondered whether one of the airline's cobranded cards is worth adding to your wallet. With multiple personal and business options offering overlapping benefits at different price points, choosing the right Delta card can feel more confusing than helpful.To ease that decision fatigue, we asked members of the TPG staff who actually carry Delta cards which ones they use — and why. Their answers reveal that there's no single "best" Delta card for everyone. Instead, the right choice usually comes down to one or two perks you know you'll use every year, whether that's avoiding fees for checked bags, scoring a companion ticket or getting lounge access.Here's an overview of the Delta cobranded cards and how to decide which one is the best fit for your wallet.Delta cards at a glance: Annual fees and welcome offersHere's a quick look at each Delta credit card's annual fee and current welcome offer:CardAnnual feeCurrent welcome offerDelta SkyMiles® Blue American Express Card$0 (see rates and fees)Earn 10,000 bonus miles after spending $1,000 on purchases in the first six months of card membership.Delta SkyMiles® Gold American...