United Fares

In order to book an upgradable fare on United you have to buy a ticket in fare class W or higher.  Here are the fare classes above W.

V
Q
H
U
E
M
B
Y

Only airlines could convolute something so simple as the ordering of the alphabet.

Related

There are (at least) two major short-comings to today’s forecasting

Mary Meeker’s 2011 Internet Trends if you haven’t seen them