Xining Caojiabu Airport (XNN)
Xining Caojiabu Airport (XNN) currently has nonstop service to 43 destinations on 23 airlines in our latest departure data. The busiest route is to Changsha (CSX), served by 5 carriers, and the largest operator here is China Eastern with nonstops to 15 destinations. 2 of its routes are international.
Route data as of June 15, 2026, based on a 7-day departures sample.
How XNN is connected
2 international routes in this schedule set
China 39 · Hong Kong SAR China 1 · Thailand 1
1-2/day on 5 airlines
Airbus A320 family · Boeing 737 · Airbus A330
XNN route guides with flight times
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
23 airlines fly direct from XNN
Ranked by destinations served, then daily frequency.
Direct flights to 43 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
CSX · Changsha5 airlines · 1-2/day · Airbus A320 family, Boeing 737
View XNN–CSX route guide →- Loong Air · Airbus A320 family1/day
- Xiamen · Boeing 7373×/wk
- West Air (China) · Airbus A320 family2×/wk
Quick answers
Where is Xining Caojiabu Airport?
Xining Caojiabu Airport (XNN / ZLXN) is located in Xining, China.
What is the IATA code for Xining Caojiabu Airport?
The IATA code is XNN. The ICAO code is ZLXN.
What is the busiest route from XNN?
The busiest scheduled route from XNN in our current departure data is XNN to CSX (Changsha), with 1-2/day across 5 airlines.
Who is the largest operator at XNN?
Can you guess XNN from its airlines?
Every day, NavQ picks a mystery airport and gives you five guesses. Real departure data, no filler.
Play today's airport quiz →