The train service connecting Kutahya to Kapaklı is primarily served by the conventional regional trains. The journey typically includes the YHT (Yüksek Hızlı Tren) service, with trains operating at speeds of up to 250 km/h (155 mph) on certain sections of the route. However, not all segments are covered by high-speed rail, so travel times may vary. The total travel time from Kutahya to Kapaklı on the YHT can take approximately 3 hours, with possible connections required depending on the service schedule. Passengers can expect comfortable seating in Economy class, with options available for first-class travel on select services. The service offers basic onboard amenities, including restrooms and refreshments for purchase, giving travelers a straightforward and efficient service. As the route is not fully covered by high-speed trains, travelers should check the timetables closely to find the best options for their journey.