What about this page -
https://www.aa.com/i18n/agency/Booki...40_80.jsp#2hrs
Doesn't rule 80 seem to apply here?
Rule 80 International tariff rules which state AA's obligations to our customers when their flights are changed or canceled as a result of Schedule Change(s)/Irregularities.
Rule 80 applies to all international travel except travel between the U.S. and Canada and/or between the U.S. and Puerto Rico /U.S. Virgin Islands.
Rule 80 protects all ticketed customers including AAdvantage, AA codeshare and Travel Agents free/reduced rate.
AAirpassŪ tickets should be handled in the same manner as revenue tickets and are considered ticketed at all times.