JAL Interline Agreements
#91
Ambassador: Japan Airlines
Join Date: Mar 2008
Location: LAX
Programs: JAL Mileage Bank, JMB Diamond, oneworld Emerald, Bonvoy Platinum
Posts: 16,398
There's no published policy to through check the bags on separate tickets outside of the alliance. They may help but you shouldn't count on it as there's a recent report that agent at DEL refused to through check on separate tickets even within the alliance.