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
In a recent article in strategy + business entitled “the
Japan, the US, and many other developed nations are quickly
The summer starts and ends with a holiday. With the