1. service attitude: HNA, as a regular airline, has a warm and thoughtful service attitude, while Spring Airlines is described as a brand-name airline with relatively poor service.
2. Fares: As a low-cost airline, Spring Airlines has relatively low fares most of the time, while HNA usually provides more flexible fare options.
3. Offline services: Donghai Airlines provides off-line services, including five insurances, one gold, performance bonus and other benefits, while Spring Airlines does not provide off-line services, which may lead to the inability to print flights to travel to travel itinerary.
4. Flight frequency: The flight frequency of Spring Airlines' domestic and international flights is very high, while the flight density of HNA may be low in some areas.
5. Seats and meals: HNA provides business class, economy class and business class, and provides free meals; Spring Airlines usually only provides single economy class seats, and does not provide free meals.
6. Route coverage: HNA's route network is relatively wide, covering many cities at home and abroad; Spring Airlines' route network is mainly short-haul flights.
To sum up, HNA may be more suitable for you if you have high requirements on service quality and fares, or if you need to travel frequently. If you are sensitive to the fare, or pay more attention to the choice of short-haul flights, then Spring Airlines may be more suitable for you. Of course, the final choice also needs to consider personal needs, itinerary and budget.