What you should know about airline credit cards Financial planning expert Dr. James Philpot offers some details. July 19, 2019 by University CommunicationsThere are several types of airline credit cards. Should you get one? If you do, what should you know about them? Dr. James Philpot, certified financial planner and associate professor of finance and general business at Missouri State University, answers a few questions about airline credit cards on WalletHub.