Originally Posted by
Loverboy
For me it booked into P although Z was for sale, it was not a bid, it was straight cash upgrade. Strange.
The availble fare buckets can vary - esprcially on multi segment tickets. On German Donestic Flights Upgrades for 50-60 Euro book usually into P 90-100 into Z 120-140 into D. No Guarantee, but it worked our quite good.