With $1.8 billion in assets, Citibank is the third-largest financial institution in the U.S., per Federal Reserve data.

Hanna Horvath is a CERTIFIED FINANCIAL PLANNER™ and Red Venture's senior editor of content partnerships. Fox Money is a personal finance hub featuring content generated by Credible Operations, Inc.

If you have a Barclays AAdvantage Aviator card, prepare to receive your new Citi / AAdvantage credit card in the mail soon.