Why do all the planes from Dunhuang to Chengdu turn around?

Some routes do not have direct access, please refer to the results displayed when searching for air tickets, please accept it~~~

It means that there are no direct flights. This is caused by many factors.

Airline/flight number Departure time This week’s reference schedule On-time rate Price Departure date <br/>3U8570 <br/>Model: 12:50<br/>Dunhuang Airport<br/>16:50<br/>Chengdu Shuangliu International Airport T1<br/>Schedule: 1, 2, 3, 4, 5, 6 days<br/>Meals 88% Check current price<br/>Check<br/>3U8570 <br/>Model: 12:50<br/ >Dunhuang Airport<br/>17:10<br/>Chengdu Shuangliu International Airport T1<br/>Flight schedule: Monday, Tuesday, March, April, Friday and Saturday<br/>Meals 88% Check the current price<br/>2018-04- 13<br/>Check<br/>3U8570<br/>Model: 13:00<br/>Dunhuang Airport<br/>16:50<br/>Chengdu Shuangliu International Airport T1<br/>Schedule 1st and 2nd Three, four, five and six days<br/>Meals 88% Check current prices<br/>Want to adopt!