Hi there! Even before entering the airport, we made use of Spirit Airlines PHL Terminal online check-in facility. This service, open 24 hours prior to departure, permitted us to choose seats and pay for checked bags in advance, thereby easing our experience at the Spirit Airlines. As Spirit operates on an ultra-low-cost model, we ensured to look into their baggage policies thoroughly and made sure our bags were of the correct size to prevent additional charges. This small amount of planning saved us from any last-minute hassles and allowed us to begin our journey hassle-free. Overall, it was a smooth and streamlined experience!