What are O3's main hubs?

O3 operates most from Shenzhen (SZX), Seoul (ICN), Bengaluru (BLR).

How large is O3's fleet?

Fleet details for O3 are being gathered.

How many destinations does O3 fly to?

O3 serves 29 direct destinations based on recent route data.

AIRLINE · CHINA

O3

IATA ICAO CSSHQ SZX

Aircraft

Aircraft types

Destinations

Hubs & gateways

O3 (/CSS) is a carrier based in China. Its tracked network spans 29 destinations from 18 hubs, led by Shenzhen (SZX).

Live flights on FlightRadar24 ↗View seat maps

ROUTE NETWORK18 hubs

Shenzhen · Primary hub

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

destinations

10–11

flights/day

See routes from SZX →

TOP HUB · 02ICN

Seoul

Incheon International Airport

destinations

flights/day

See routes from ICN →

TOP HUB · 03BLR

Bengaluru

Kempegowda International Airport

destinations

1–2

flights/day

See routes from BLR →

Hubs and top airports for O3, fleet and route data as of April 2026

Hubs and top airports for O3, fleet and route data as of April 2026
#	AIRPORT	CITY	REGION	DESTINATIONS ↓	FLIGHTS / DAY
1	SZXShenzhen Bao'an International Airport	Shenzhen	Asia	18	10–11
2	ICNIncheon International Airport	Seoul	Asia	2	2
3	BLRKempegowda International Airport	Bengaluru	Asia	2	1–2
4	BUDBudapest Ferenc Liszt International Airport	Budapest	Europe	2	1–2
5	DACHazrat Shahjalal International Airport	Dhaka	Asia	2	1–2
6	LAXLos Angeles International Airport	Los Angeles	North America	2	3
7	ANCTed Stevens Anchorage International Airport	Anchorage	North America	2	2
8	MNLNinoy Aquino International Airport	Manila	Asia	1	1
9	BKKSuvarnabhumi Airport	Bangkok	Asia	1	1
10	FRAFrankfurt Airport	Frankfurt	Europe	1	1

ROUTES & DESTINATIONS

Flies to 29 cities

Pick an origin hub to see its place in the network.

SZX Shenzhen

View airport ↗

destinations

10–11

flights/day

Asia

region

TOP ROUTES FROM SZX

EHUEzhou1–2/day BKKBangkok1/day NRTTokyo1/day MNLManila1/day CTUChengdu1/day PEKBeijing1/day PVGShanghai1/day SINSingapore1/day

ROUTES FROM SZX

DESTINATIONS

Every 29 direct destinations

Sortable by daily frequency or hubs served. Each city links to its airport.

⌕

29 / 29

Direct destinations from O3, route data as of April 2026

Direct destinations from O3, route data as of April 2026
#	DESTINATION	COUNTRY	HUBS	FLIGHTS / DAY ↓
1	EHUEzhou	CN	9	4–5
2	SZXShenzhen	CN	4	2–3
3	CGOZhengzhou	CN	2	2
4	BKKBangkok	TH	1	1
5	NRTTokyo	JP	1	1
6	MNLManila	PH	1	1
7	CTUChengdu	CN	1	1
8	PEKBeijing	CN	1	1
9	PVGShanghai	CN	1	1
10	SINSingapore	SG	1	1
11	WUXWuxi	CN	1	1
12	JJNQuanzhou	CN	1	1
13	NTGNantong	CN	1	1
14	TAOQingdao	CN	1	1
15	TPETaipei	TW	1	1
16	WNZWenzhou	CN	1	1
17	YNTYantai	CN	1	1
18	ANCAnchorage	US	1	1
19	CKGChongqing	CN	1	1
20	HGHHangzhou	CN	1	1
21	MAAChennai	IN	1	1
22	ALAAlmaty	KZ	1	1
23	CANGuangzhou	CN	1	1
24	JFKNew York	US	1	1
25	KULKuala Lumpur	MY	1	1
26	LAXLos Angeles	US	1	1
27	NKGNanjing	CN	1	1
28	NQZAstana	KZ	1	1
29	URCUrumqi	CN	1	1

O3

Operates from 18 airports

Flies to 29 cities

Every 29 direct destinations

Other airlines based in China

Aircraft operated