The letters used in the ticket office of Kunming Airport represent different airlines or airport services. The following are the meanings of common letters:

1, MU: China Eastern Airlines

2. China Southern Airlines.

3.CA: China International Airlines

4.3U: Sichuan Airlines

5.HO: Jixiang Airlines

6.MF: Xiamen Airlines

7.JD: Capital Airlines

8.SC: Shandong Airlines

9.FM: Shanghai Airlines

10, NX: Air Macau

1 1, KY: Kunming Airlines

12, KU: Scoot.