Best time to apply for Delta American Express cards based on offer history

Ask any points and miles enthusiast, and they'll tell you welcome offers are one of the most important parts of their strategy. The welcome offers we've earned with our cards have helped us book some great trips, both in the U.S. and abroad.If you're a frequent Delta Air Lines flyer, you're probably eyeing one of its cobranded cards to help make your experience more enjoyable. Since American Express limits cardmembers to one welcome bonus per lifetime, applying for a Delta Amex card at the right time is very important.In this guide, we'll go over the offer history and best time to apply for each Delta card so you're never in the dark about when to apply. Keep in mind that offers can change at any time, and some listed on this page may no longer be available.Note that we'll only discuss publicly available welcome offers here. However, you might receive targeted offers with more bonus miles.Related: Current Delta American Express credit card welcome bonusesBest Delta American Express welcome offersCardBest welcome offer we've seenWhen to applyDelta SkyMiles® Blue American Express CardEarn 15,000 bonus miles after spending $1,000 on purchases in the first three months of card membersh...