Originally Posted by joejones

Departing ORD, the Polaris Lounge that ANA uses is significantly better than the Flagship Lounge that JAL uses, mainly because of its sit-down dining (Flagship only has a buffet). But ANA's ORD-HND flight usually departs from B16, which is the least convenient gate to the Polaris Lounge (you have to go through the tunnel between the B and C concourses twice). JAL also has a very nice security checkpoint right by its check-in counters, which is often empty while the other checkpoints are jammed. So it's a bit of a wash, and JAL is arguably a better ground experience if you don't plan to eat much in the lounge.