Marketing Frontier tops airline customer service rankings The carrier did great in terms of cancelled flights and on-time arrivals, but lagged in denied boardings and customer satisfaction score. By Kevin Allen@kevin_j_allenNov. 14, 2013 SHARE Ragan Insider Premium Content 1. Frontier 2. Virgin America 3. JetBlue 4. Alaska Airlines 5. Southwest 6. Delta 7. AirTran 8. US Airways 9. American 10. United To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.