Mega- definition, variant of megalo- (megalith); also the initial element in units of measure that are equal to one million of the units denoted by the base word (megahertz). Symbol: M. See more.
American Airlines says it will charge a $150 fee each way for minors between 12 and 14 who fly alone. The change starts Sept. 3. Currently, American charges a fee on top of the regular fare for unaccompanied minors between 5 and 11.
Special restrictions. 1  Unaccompanied minors can only travel on nonstop flights operated by United or United ExpressÂ®. 2  United does not offer unaccompanied minor service to or from other airlines' flights. 3  Children younger than 5 years of age are not accepted as unaccompanied minors. Unaccompanied minors can only travel on nonstop flights operated by United or United ExpressÂ®. 2  United does not offer unaccompanied minor service to or from other airlines' flights. 3  Children younger than 5 years of age are not accepted as unaccompanied minors.