AIRLINE · CHINA
O3
IATA ICAO CSSHQ SZX
O3 (/CSS) is a carrier based in China. Its tracked network spans 29 destinations from 18 hubs, led by Shenzhen (SZX).
HUBS & TOP AIRPORTS
Operates from 18 airports
Sortable by destinations served or daily frequency. Click any column to re-rank.
TOP HUB · 01SZX
Shenzhen
Shenzhen Bao'an International Airport
18
destinations
10–11
flights/day
See routes from SZX →
TOP HUB · 02ICN
Seoul
Incheon International Airport
2
destinations
2
flights/day
See routes from ICN →
TOP HUB · 03BLR
Bengaluru
Kempegowda International Airport
2
destinations
1–2
flights/day
See routes from BLR →
Airports and bases for O3, fleet and route data as of April 2026
ROUTES & DESTINATIONS
Flies to 29 cities
Pick an origin airport to see its place in the network.
DESTINATIONS
Every 29 direct destinations
Sortable by daily frequency or origin airports. Each city links to its airport.
⌕
29 / 29
Direct destinations from O3, route data as of April 2026
SIMILAR CARRIERS
Other airlines based in China
Compare O3 with its largest peers in the same country.