Originally Posted by Infinite1K

Also note that the intra-asian routes on the Asian operators, even when flown by wide body aircraft, are not always in lie flat business class, but rather the old "barcalounger" seats. But that would be true for KE, as well as SQ and JL.

In your itinerary, the only true lie flat business class (and all aisle access seating) would be on the American operated flights.