China Southern Airlines has started the “one ticket – through” service for transits from domestic flights to domestic or international flights (China Southern Airlines) at the Wuhan Hub since May 18, 2018.
1. Domestic to International
Domestic arrivals (L2) → take the specified escalator (or vertical elevator) to the transit passageway (L4)→ inspection and quarantine, customs and immigration inspection → security inspection → wait for flight at the international departure hall (L4)
2. International to Domestic
International arrivals (L3) → go through inspection and quarantine, immigration inspection (L2) → collect checked baggage → customs inspection → check in at the check-in counter J and check baggage (L4) → security inspection → wait for flight at the domestic departure hall (L2)
3. International to international
International arrivals (L3) → go through inspection and quarantine, immigration inspection (L2) → collect checked baggage → customs inspection → check in at the check-in counter H and check baggage (L4) → inspection and quarantine, customs and immigration inspection → security inspection → wait for flight at the international departure hall (L4)