The question may no longer be whether it is Jetstar or Qantas that can achieve a profit in Southeast Asia. Instead, it is a balance of which brand generates the lowest loss or highest prestige.
Qantas-Jetstar and SIA-Scoot dual-brand strategies challenged by SE Asia-Australia over-capacity | CAPA - Centre for Aviation
Interesting load factor charts over the last two years to Indonesia, Thailand & Singapore.
MC