Originally Posted by
UA_Flyer
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2. On a periodical basis (weekly, monthly, etc), there is probably a process to net the "due to" or "due from" balances between each airlines in the alliance. For exmaple: United recorded 100 LH passengers using the United Clubs, and LH recorded 90 UA passengers using LH lounges in the same period. After netting off, UA will pay LH for 10 passenger-entries.
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Others feel free to speculate...
I wonder if all the *A airlines charge each other the same per passenger charge per entry? Or do some get to set higher "prices" for their level of service?