Smart business travelers keep an arsenal of apps at their fingertips to help with any situation. Hence, HipMunk for booking flights, Hotel Tonight for booking hotels, TripIt for keeping tabs on all your travel reservations, and so on.
Here's one more to add to your travel folder: Airport Guide - iFly (available for Android and iOS). True to its name, the app provides information for over 700 airports worldwide--ideal for anyone who spends a lot of time schlepping through terminals.
Airport Guide's primary function is, well, an airport guide. Choose any airport from the list to see options like status (ground, departure, and/or closure delays), a terminal map, a list of airlines that service that airport, parking info, ground transportation options, airport amenities and food/bars/shops, and even layover ideas.
In other words, there's a wealth of useful airport-specific information here. And if you pony up $3.99 (via in-app purchase), you can get real-time flight status and tracking. (There's also a $6.99 Pro version that includes those options and dispenses with ads.)
From the main menu, Airport Guide also provides airline contact information, traveler help (in the form of info about security, checked bags, frequent-flyer programs, etc.), and an overview of U.S. airport statuses. Basically, anything you need to know about air travel, you can find here.
I have only two real complaints with the app. First, the airport maps aren't terribly helpful, as they become fairly pixelated when you zoom and don't display things like restaurants or bathrooms--even when you select them via the Amenities list.
Second, the app itself has all the visual appeal of Windows 3.1. The interface looks dated and unappealing, and although it's perfectly functional, it needs a refresh.
That said, it's hard to argue with a free app that equips travelers with so much useful information. It may not be much to look at, but Airport Guide is definitely a handy addition to the business traveler's app arsenal.