Originally Posted by
kauppias
I have been trying to use vouchers to no avail this year. Today is my 12th segment for this calendar year and no upgrade again.
I don't know if I've just been lucky then, but all four of my vouchers attempts were successful (although one at the gate). Maybe the time of year is also a factor. Mine were on LHR (2) in November and April, PRG and VIE in February.
What were your routes and approx. dates?