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
NPD is reporting 85 percent of U.S. consumers say price
Last month Chief Justice gave the commencement speech at Cardigan
