TheUnited Club℠ Card, United Club℠ Business Card, Chase Freedom®and Chase Slate® Credit Card are not currently in market. Please visit our list of thebest balance transfer cards, best cash-back cards, and best Chase cardsfor alternative options.Information about the Southwest Rapid Rewards® Premier Credit Card has been collected independently by Select and has not been reviewed or provided by the issuer of the card prior to publication.Deciding when is the best time to apply for a new credit card is key, especially if you're looking to open a Chase credit card. While Americans have an average of four credit cards, those with more may run into Chase's "5/24 rule."The 5/24 rule limits who can open a new Chase credit card, based on how many cards they have opened within the past two years. So, if you're looking to maximize travel rewards with the Chase Sapphire Reserve® or get out of debt with the Chase Slate®, you may need to calculate your 5/24 score before applying.Below, Select explai...