TB Platinum Upgrade Vouchers - useless?
Has anyone had any luck getting an upgrade into Business with the TB Platinum Upgrade Vouchers? I was sent two of them the first time I went Platinum and another two when I re-certified. So now I have four and would like to get upgrades for the Frau and I for a TXL-LAX trip in the Spring. I tried doing this for a recent trip to JFK but got the runaround multiple times.
"Call back eight weeks before the flight."
"Call back two weeks before the flight."
"Call back one week before the flight."
"Call back six hours before the flight.
I suspect that these vouchers are not worth the paper they're printed on. Anyone had success with them or can offer any tips?
thanks in advance,
William