A handheld computing device has an operating system (OS), and can run mobile apps. In the 2010s, most handheld devices are also equipped with Wi-Fi, Bluetooth, near field communication (NFC) capabilities and Global Positioning System (GPS) capabilities.
Skyscanner allows you to find the cheapest flights to Phoenix-Mesa Gateway (from hundreds of airlines including American Airlines, Delta, United) without having to enter specific dates or even destinations, making it the best place to find cheap flights for your trip.
The Yellowstone Regional Airport (COD) offers year-round airline flights to Cody, Wyoming on United Express or Delta Airlines. Cody airport features jets and large cabin-class turboprop aircraft with in-flight service and restrooms. SkyWest Airlines is a code share partner with Delta Airlines and United Express. Mesa Airlines is a code share partner with United Express. Contact the airlines for specific information.