It seems that Daesung was on an earlier flight as he arrived at Kansai Airport, Osaka also at the same time.
Credit on photo. Uncredited pictures from Gimpo by Irrris.
Please click on the thumbnails for a larger photo.
Taeyang arriving at Gimpo Airport, Seoul from Beijing:
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TOP, G-Dragon and Seungri leaving Gimpo Airport, Seoul to Osaka:
Daesung arrival Kansai Airport, Osaka:
Arrival G-Dragon, TOP and Seungri at Osaka Kansai Airport: