Originally Posted by
getonline33
On the RTW fares, UA only allows booking in A for the first class fare. However, SEA>SFO doesn't offer A or D, so I get bumped to economy. They booked me in M, but the rules say I should be booked in Y.
If SEA-SFO is a 1 class flight (A and D both not offered) then yes should be booked in Y. If SEA-SFO is a 2 class flight but just happens to be out of availability in A then go to the booking class for the next cabin down, which is M.