I booked flights yesterday on united.com with segments on LH and OS. Instead of the e-ticket confirmation I received confirmation of a "codeshare ticketing delay" saying that the reservation would be held for up to 24 hours pending confirmation from LH and OS.

So, was wondering: how long does the partner ticketing process really take? I want to request my upgrades before the R space vanishes on the UA segments.

And if R space vanishes in the meantime, does the 24 hour cancel window start counting only when UA finally tickets the ticket, or is it already running now, while UA is making me wait?

thx for any advice..