Flight Tracker Premium.
For every airport (2500+) you get:
+Live Arrival and Departure boards
+Alert 24 hours before departure with checkin
+Food and restaurants

+ Next Flight so you can find the next available flight if your current flight is delayed or canceled.

+ Packing List.

No other app provides as much information on as many airports -- useful information you need.
The app takes you to the airports to see restaurants, shops and Wifi. Airport Pro lets you know if your flights delayed or cancelled and gives you the tools needed to quickly find an alternate flight and rebook all in one place.

Check-in links, flight status, for your flight all at your fingertips.

Airports include all the medium and large airports of the world.