airlineterminal – https://www.airlineterminalsguide.com/frontier-airlines/frontier-airlines-jfk-terminal/

It’s recommended to arrive early—about 2 hours before domestic flights and 3 hours for international ones. Whether you’re arriving by taxi, AirTrain, or ride-share, getting to Terminal 5 is easy. For a hassle-free start to your trip, the Frontier Airlines JFK Terminal has everything you need in one place.