Originally Posted by
D582
Actually I think they use all 26 now:
A = Tango
B = Latitude
C = Business Flexible or Business Lowest
D = Business Lowest
E = Premium Economy Lowest
F = Tango (AC Vacations)
G = Flex or Tango
H = Flex
I = Business Reward
J = Business Flexible
K = Tango
L = Tango
M = Flex
N = Premium Economy Lowest
O = Premium Economy Flexible
P = Business Lowest
Q = Flex
R = Business Upgrades
S = Tango
T = Tango
U = Flex
V = Flex
W = Flex or Tango
X = Economy Reward
Y = Latitude
Z = Business Lowest
Great work! Now if only every *A airline used the same table

@:-)