Comparison of Frequent-Flyer Award Charts for American, Delta and United Airlines

One conclusion is that the Big 3 legacy carriers have nearly identical numbers of frequent-flyer miles needed for any given route.

http://www.milevalue.com/comparison-of-united-delta-and-american-airlines-latest-2016-award-charts/

Maybe a comparison including JetBlue will be published later.

jetBlue N290JBSouthwest Airlines does their frequent-flyer program in a very different way, so it can’t really be compared to the others.