spring and autumn aviation , Western Airlines, China United Airlines, Jiuyuan Airlines, Happy Airlines Guilin Air, Lucky Air and other low-cost airlines.
Low cost airlines generally charge for baggage and meals. Flight delays are generally more than 3 hours before free ticket refunds, no free checked baggage or less free checked baggage. Therefore, such airlines do not have clear and unimpeded information release channels. Such airlines often have regular regulations different from those of other major airlines, Please consult the official customer service of each airline!