Originally Posted by thomas164

I just did a flight change today at PVG checkin counter. I arrived 6 hours before my original departure time. The request was successful as expected given that I’m travelling on Flex ticket. The whole process was efficient and took less than 5 minutes. The sec number was quite large, likely because an earlier flight is delayed for 12 hours, but the flight I’m on is a 77P so I don’t think it’s 100% full.