Originally Posted by
joejones
The question was about business, in which case the choice is Flagship vs. Polaris regardless of status... whereas if flying economy or premium economy, your status and flight schedule might not get you into Flagship, so that would also need to be considered.
What would be the case where Sapphire or Emerald status will not get you in to Flagship Lounge when departing ORD on JAL? Not the late departure as the Flagship Lounge stays opened 00:30 to accommodate the JAL passengers. Both those having Flagship access, but also those just having Admiral's Club access.