Booking Classes (UA) - FlyerGuide Wiki

From FlyerGuide Wiki

These are the booking classes or fare class codes used by United Airlines to identify the classes of service and restrictions on each type of ticket.

[edit] By alphabetical order

A = Discounted Fare First Class. Round The World First is booked in this class.
B = Almost Full Fare Economy with minimal restrictions - also used Star * RTW
C = Full Fare Unrestricted Business Class
D = Discounted Fare Business - used also on all "Business" Class Star RTW fares
E = 'Ted' and some low web/discount fares from early 2005. Now officially elevated to above H class!
F = Full Fare Unrestricted First Class
G = Travel Industry Economy Class fares
H = Higher level Economy Class with few restrictions. Some "RTW" coach is H
I = Business Class Upgrade class from Economy (Better known as 'NC' class)
K = Seasonal Economy Promotional Fares/Reduced Fare Gov’t contract etc
L = Discount Fare Economy with a lot of restrictions
M = Almost Full Fare Economy with few restrictions
N = Economy Class AWARD TICKET (Better known as 'XY' class)
O = Business Class AWARD TICKET (Better known as 'XC' class)
P = Premium USA Transcon First Class on 3 classers
Q = Discount Economy with moderate restrictions. (Bereavement tix are in Q)
R = First Class AWARD TICKET (Better known as 'XF' class)
S = Real Lowball coach with lot of restrictions. Reports that some are not mile earning ex UK/Brazil etc.
T = Heavy discount Fare Economy - often with a lot of restrictions
U = Showed up Nov/03 as booking class for "TED" also in mid 2005 a high level mainline class!
V = Discount Fare Economy often with a lot of restrictions
W = Discount Fare Economy often with many restrictions
X = First Class UPGRADE AWARD from paid Business* (Better known as 'NF')
Y = Full Fare unrestricted Economy class
Z = Heavily discounted Business Class - generally NOT "legally" upgradeable.

( * = Applies to THREE class equipment. In TWO class equipment, upgrading from coach to First is also in "NF" class. Two class aircraft [at present!] only run on North American routes. "Two class upgrades" are officially not allowed for paying pax - i.e. nothing one can do - whether with miles, and/or coupons of any kind will "officially" take you from paid coach to First on a THREE class aircraft.)