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.
Airlines with a major presence at Sky Harbor include Ameriflight, Great Lakes Airlines, US Airways and Southwest Airlines. Some Phoenix flights land at Phoenix-Mesa Gateway Airport (AZA), which is located in the nearby city of Mesa. Formerly an air force base, Phoenix-Mesa now services the Phoenix metropolitan area. Only two airlines fly to Phoenix-Mesa: Allegiant Air and Spirit Airlines.