Every airline has a code in International Air Transport Association (IATA). There are two kinds of codes: two-character code and three-character code, of which two-character code is the most commonly used. For example, MU is the code of China Eastern Airlines, CA is the code of Air China, and so on. Flight number: Generally, the first two letters or the combination of letters and numbers represent airlines, which is a two-word code stipulated by the International Aviation Association.
Within the validity period of the ticket.
Passengers can change to the same airline flight, 5438+0, 65, 438+0, which is actually carried by Spring Airlines for free before 24: 00 on February 36, 2026, but the change of the ticket again must be handled according to the applicable conditions of the ticket.
It should be noted that 2021-1October 25th 10 and 15 do not support free changes. Tickets that are refunded or changed before the announcement are not supported. Teachers and students can apply for refund through the "Student Refund" entrance on the homepage of Spring Airlines APP, and submit relevant materials by themselves.