Can I get a full refund for the flight delay refund?

In this case, you can get a full refund.

According to the Regulations on Normal Flight Management, during the flight delay due to weather, unexpected events and other reasons, passengers have to bear the meals and accommodation expenses. If the flight is delayed or cancelled due to airline reasons, the airline shall provide passengers with meals, accommodation and other services.

The flight delay is caused by the airline, and passengers can apply for a full refund.