https://pressbooks.pub/alnamechange/chapter/%e3%80%90understanding-policies%e3%80%91will-american-airlines-compensate-me-for-a-cancelled-flight/
https://pressbooks.pub/alnamechange/chapter/%e3%80%90understanding-policies%e3%80%91will-american-airlines-compensate-me-for-a-cancelled-flight/