In transit or staying
I have had this App for the longest time and use it while on transit or when staying with relatives. No only does it give you accurate info about flights, connections, delays or gate changes. It also gives you advice about how long it will take you to get to the airport by providing traffic disruptions, including trains. At the hours I travel I’m not affected, but for most travelers, the information is priceless. Open the app well in advance to your trip and you will understand why.