Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)

"BTW, airlines will not protect connections where two separate tickets and PNRs are involved and the inbound is late making it impossible to make the onward flight. In such cases it is at the discretion of the onward airline to rebook the passenger on its next flight."

As previously reported in this forum, connections involving AA and another oneworld carrier are protected, even if separate tickets are involved:

http://www.aa.com/i18n/agency/Bookin...tkt_policy.jsp