CTU to XNN: Distance and Flight Time
The distance from Chengdu Shuangliu International Airport (CTU) to Xining Caojiabao International Airport (XNN) is 687 km (427 mi). A typical nonstop flight covers it in about 1h 20m, heading north. The distance is the same in either direction (XNN to CTU).
How far is it from Chengdu (Shuangliu) to Haidong (Huzhu Tu Autonomous County)?
The great-circle distance between Chengdu Shuangliu International Airport (CTU) and Xining Caojiabao International Airport (XNN) is 687 km (427 mi, 371 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CTU to XNN?
A nonstop flight typically takes about 1h 20m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. XNN is roughly north of CTU.
How is the CTU to XNN route written in code?
The pair is written CTU-XNN in IATA codes and ZUUU-ZLXN in ICAO codes, the form used on a flight plan. Chengdu Shuangliu International Airport is CTU (ZUUU), Xining Caojiabao International Airport is XNN (ZLXN).
| CTU | XNN | |
|---|---|---|
| Airport | Chengdu Shuangliu International Airport | Xining Caojiabao International Airport |
| ICAO code | ZUUU | ZLXN |
| Country | China | China |
| Elevation | 1,625 ft | 7,119 ft |
| Rank by connections | #27 | #314 |
Both ICAO codes start with Z, the prefix ICAO assigns to China and Mongolia, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
XNN sits 5,494 ft (1,675 m) higher than CTU, which is a real difference in air density on takeoff.
Airlines flying CTU to XNN
4 airlines appear on this route in the open route dataset, 4 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| 3U | Sichuan Airlines | CSC | Si Chuan | Active |
| CA | Air China | CCA | Air China | Active |
| MU | China Eastern Airlines | CES | China Eastern | Active |
| TV | Virgin Express | VEX | Virgin Express | Active |
A further 1 carrier sell this pair as a codeshare without operating it: ZH.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Chengdu (Shuangliu) from Haidong (Huzhu Tu Autonomous County)?
Chengdu Shuangliu International Airport (CTU) and Xining Caojiabao International Airport (XNN) are 687 km (427 mi, 371 nautical miles) apart in a straight line.
How long is the flight from CTU to XNN?
A typical nonstop flight between CTU and XNN takes about 1h 20m. Actual times vary with aircraft type, winds and routing.
What direction is XNN from CTU?
Xining Caojiabao International Airport (XNN) lies roughly north of Chengdu Shuangliu International Airport (CTU).
Which airlines fly CTU to XNN?
4 airlines appear on the CTU-XNN route in the open dataset, including Sichuan Airlines, Air China, China Eastern Airlines.
Related routes
Other routes from Chengdu (Shuangliu) (CTU):
Other routes from Haidong (Huzhu Tu Autonomous County) (XNN):
CTU airport code · XNN airport code · Busiest airports worldwide