Norwegian Airlines offers Wi-Fi on many of its long-haul flights, allowing passengers to stay connected during their journey. However, the availability of Wi-Fi may vary depending on the specific aircraft and route. Passengers can typically purchase Wi-Fi access through the airline's in-flight entertainment system. It is important to note that while Wi-Fi may be available on certain flights, the connection quality can vary based on the aircraft's location and altitude. As for short-haul flights, Norwegian Airlines does not generally provide in-flight Wi-Fi. For the most accurate and current information regarding Wi-Fi availability on a specific flight or within the cabin, it is advisable to check the airline's official website or the specific flight details closer to your travel date.