AirTran Airways is now a partner with eMiles. A+ Rewards members can earn credits by viewing, reading, and responding to marketing messages on e-Miles.com. A+ Rewards members can also now earn miles through e-Rewards. When you visit www.e-rewards.com, you can earn credits by answering questions from market researchers. If you already belong to eMiles or e-Rewards through an invitation by another airline, you are tied to that airline and cannot switch to AirTran Airways unless you end your current membership and join again.