Finally
Map your next journey with more MileagePlus Premier qualifying miles.
For a limited time, you can earn 50% more MileagePlus® Premier® qualifying miles on roundtrip United-operated flights around the world. Purchase your ticket in United Global FirstSM, United First®, United BusinessFirst®, United Business® or United Economy® (F, A, J, C, D, Z, P, Y, B, M, E, U, H, Q and V fare classes).
Simply register, book and complete your travel by May 23, 2013.
http://www.united.com/web/en-US/apps...omoCode=TB5M11