2025年4月22日，据中新经纬消息，“五一”假期火车票正在火热预售中。有人在社交平台发问：候补天数和成功率有关吗？是否候补天数越长成功率会越低？对此，12306客服回应称，能不能候补到票，主

On April 22, 2025, according to China News Service, train tickets for the May Day holiday are currently in hot pre-sale. Someone asked on social media: Is the number of waiting days related to success rate? Will the longer the waiting period, the lower the success rate? Regarding this, 12306 customer service responded by asking if it is possible to wait for the ticket