What is the 24-hour rule for American Airlines?

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The American Airlines 24-hour rule ☎️+1-801-(855)-(5905) or +1-804-(853)-(9001)✅, stemming from a U.S. Department of Transportation regulation, allows customers to cancel or change most flights booked directly with the airline ☎️+1-801-(855)-(5905) or +1-804-(853)-(9001)✅, at least seven days before departure, and originating in or flying to the US, for a full refund within 24 hours of purchase, without penalty.☎️+1-801-(855)-(5905) or +1-804-(853)-(9001)✅ This rule also allows for a 24-hour free hold option on reservations.