An awkward, reclusive, unusual young man with a wealth of trust fund money strikes up a friend with a hapless anti-obesity crusader who comes knocking on his door for donations.
American Airlines has a whopping $200 change fee on paid fares (other than full fare refundable tickets) for domestic flights, and up to $450 for international flights. Same day changes are $75 in economy and free for business and first class passengers on paid fares.
Award tickets can be changed with no fee 8 days or more prior to departure; otherwise the $75 change fee applies. Hawaiian Airlines charges a $200 change fee for flights to the US mainland, and between $50 and $200 for international flights. There is also a $30 change fee for flights within the Hawaiian islands.