SUM Air is a travel and navigation application designed for Android users, streamlining the flying experience throughout Korea. It offers essential services such as real-time flight bookings, management of itineraries, and access to flight statuses, ensuring travelers can plan their journeys with ease. Users can check seat availability for specific routes, view past bookings, and manage cancellations directly within the app, making it a convenient tool for frequent flyers.

The app enhances the boarding experience by allowing web check-in and offering mobile boarding passes, which help users avoid long lines at the airport. Additionally, it supports multiple payment options, including SUM Air PAY and popular digital wallets like Kakao Pay and Naver Pay for quick transactions. With exclusive promotions and real-time notifications about flights, SUM Air is tailored for both business travelers and locals seeking a reliable transportation solution to and from Sacheon Airport.