A punctual airline is one that is able to depart and arrive at its intended destinations on time, without unnecessary delays. There are a number of synonyms that can be used to describe such an airline, including reliable, dependable, prompt, timely, efficient, and on-schedule. These terms all convey the idea that the airline is dedicated to providing high-quality service and ensuring that its passengers are able to reach their destinations in a timely and stress-free manner. By choosing a punctual airline, travelers can rest assured that their flights will be on-time and hassle-free, allowing them to focus on enjoying their trip without worrying about delays or missed connections.