Originally Posted by
amgsl55
What is the mid tier benefit of book able upgrade mean ? Same as upgrade using miles ? Long or short haul ? Y to PEY ? PEY to J ? J to F same coupon ?
If you are asking about the 4 upgrades certs for GO at mid-tier, it's only short to mid-haul routes (not even mid-long). Once class upgrade. So in a way, pretty much crumbs off the table.