Annual fee: $99, waived for the first 12 months. Sign-up bonus: Earn 50,000 American Airlines AAdvantage® bonus miles after spending $2,500 in purchases within the first 3 months of account opening.

Here's what you need to know about United's MileagePlus program to make the most of your United miles and enjoy Star Alliance ...

Everything you need to know about the American AAdvantage program, including partners, elite status, earning miles, redeeming ...