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
Much has been written about the “death” of Microsoft’s Kin
Much has been written about the relationship between iPad supply
Just two months ago, AI infrastructure stocks were tumbling. Investor