| Airline selection attributes | Reservation services | Convenient schedule, easy booking changes, diverse channels, friendly staff, direct flights. | 5 | Kim and Park (2015) |
| In-flight facilities | Room cleanliness, seat convenience, luggage storage, aisle space, in-flight amenities. | 5 | Kim and Park (2015) |
| In-flight services | In-flight dining, special meals, newspaper/magazine service, in-flight entertainment, broadcast service, crew appearance, cabin crew reception, duty-free products. | 8 | Kim and Park (2015) |
| Airport services | Fast check-in, diverse boarding options, convenient and accurate procedures, preferred seat arrangement, friendly staff service, free baggage allowance, easy lost baggage handling. | 8 | Kim and Park (2015) |
| Online shopping services | More choices, better service, lower risk, higher seller credibility, less time and effort, proficient online ticket purchase, improved ticket purchasing efficiency. | 8 | Feng (2009) |
| Marketing | Discounts & rewards, advertising & promotion, brand image, partnership services. | 4 | Kim and Park (2015) |
| Perceived value | Perceived value | Brings joy, attractive, safe and reliable, likable. | 4 | Kim (2009) |
| Functional value | Reasonable pricing, offered discounts, great value for money. | 4 | Kim (2009) |
| Recommendation intention | Highly recommend, willing to share, eager to recommend. | 3 | Park (2010) |