Originally Posted by NetJets Germany

I've received an email from Optiontown saying that my upgrade had been accepted (Subject to confirmation at the airport). Now, should I wait with checking in online and perhaps only check in at the airport?

The reason why I am thinking of checking in online for my confirmed economy seats is to simply let the airline know that I am intent on flying. But if that somehow screws up their internal system and invalidates my chance to be seated in J, then obviously I should better not do it.

Any advice / experience with that?