End of this year,
I'm on SQ491 DXB to SIN J Class(20:00 ~ 07:30)
But, I'm wondering about 773 Regional F Class
Is unnecessary upgrade to old J to old F??
If I upgrade to old J to old F, Is waste my mile???
please advise for me
I'm on SQ491 DXB to SIN J Class(20:00 ~ 07:30)
But, I'm wondering about 773 Regional F Class
Is unnecessary upgrade to old J to old F??
If I upgrade to old J to old F, Is waste my mile???
please advise for me
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