Joey Hadden/Business InsiderBrown estimates she's been to more than 90 countries and flies 100,000 miles a year on average. Joey Hadden/Business InsiderFor example, during peak travel seasons like summer, she arrives at the airport three hours before boarding time. Think of the airport as a mallInside an airport terminal in Denver. People walk through a slew of shops and restaurants in an airport terminal. Joey Hadden/Business InsiderPeople-watch to pass the timeOn her long terminal walks, Brown said she loves to people-watch.

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Persons: —, Samantha Brown, Brown, Samantha Brown's, Klarna, Joey Hadden, she's, I've, John Greim Organizations: Service, Business, PBS, TSA, JFK Locations: Cambodia, JetBlue's, Denver, Manhattan, NYC