For Allegiant flights, it is generally recommended for passengers to arrive at the airport at least two hours prior to their scheduled departure time. This allows ample time for checking in, passing through security, and navigating to the appropriate gate. Allegiant flights can often operate from smaller airports, which may have different security procedures compared to larger ones, so it is wise to factor in any potential delays. Additionally, if you are traveling with checked baggage or during peak travel seasons, arriving even earlier might be beneficial to ensure a smooth experience. Travelers should also keep in mind that boarding typically begins about thirty minutes before departure, so it is best to be at the gate well in advance. For the most current information regarding arrival times and recommendations, passengers should consider checking the Allegiant website or their specific flight details.