Legal analysis: 1, Air China: If the flight is delayed for more than 2 hours, Air China will provide free meals for passengers during meal time; If the flight is delayed for more than 4 hours, Air China will arrange passengers to rest at the hotel free of charge and provide shuttle service from the terminal to the hotel. Passengers who are delayed for 4 hours can get compensation including mileage redemption vouchers and Air China vouchers (for purchasing Air China tickets).

2. China Southern Airlines (temporary): compensation for flight delay of 4 hours to 8 hours 100 yuan, and compensation for flight delay of 8 hours to 20 hours for 200 yuan.

3. China Eastern Airlines: Launching electronic flight delay insurance. If the flight is delayed for more than 4 hours due to the airline's own reasons, passengers can get insurance compensation of 600- 1000 yuan.

4. Shenzhen Airlines: If the flight is delayed for 4 to 8 hours due to engineering maintenance, flight plan, transportation service and aircrew, the compensation shall not exceed 30% of the ticket face value; If the delay exceeds 8 hours (inclusive), the compensation amount shall not exceed 100% of the ticket face value held by the customer.

5. Kunming Airlines: No matter whether the plane is delayed due to fault or bad weather, whether the passenger has purchased insurance or not, as long as the ticket of Kunming Airlines is purchased, according to the regulations, the passenger will be compensated for 30% of the face price and arranged for accommodation; If the delay exceeds 8 hours, Kunming Airlines will compensate the passenger 100% of the ticket price and arrange accommodation.

Legal basis: China Civil Aviation Passenger and Luggage Domestic Transportation Rules.

Article 59 If the flight is delayed or cancelled at the stopover, the carrier shall be responsible for providing accommodation services to the stopover passengers for whatever reason.

Article 60 When a flight is delayed or cancelled, the carrier shall promptly inform the passengers of the flight delay or cancellation, and do a good job in explaining it.

Article 61 The carrier and other security departments shall cooperate with each other, perform their respective duties, be serious and responsible, ensure the normal operation of flights and avoid unnecessary flight delays.

Article 62 When a flight is delayed or cancelled, the carrier shall, at the request of the passenger, arrange for a follow-up flight or refund the ticket in accordance with the provisions of Articles 19 and 23 of these Rules.