Airline Grade | Airline Reputation | Max Intercontinental flight | Max Airport base | Max Airplane Models |
New Airline | 0-10 | 0 | 0 | 1 |
Local Airline | 10-20 | 0 | 0 | 2 |
Municipal Airline | 20-30 | 0 | 1 | 3 |
Regional Airline | 30-40 | 0 | 2 | 4 |
Continental Airline | 40-50 | 3 | 3 | 5 |
Lesser International Airline | 50-60 | 6 | 4 | 6 |
Third-class International Airline | 60-70 | 9 | 5 | 7 |
Second-class International Airline | 70-80 | 12 | 6 | 8 |
Major International Airline | 80-90 | 15 | 7 | 9 |
Top International Airline | 90-100 | 18 | 8 | 10 |
Top International Airline II | 100-125 | 21 | 9 | 10 |
Top International Airline III | 125-150 | 24 | 10 | 10 |
Top International Airline IV | 150-175 | 27 | 11 | 10 |
Top International Airline V | 175-200 | 30 | 12 | 10 |
Legendary Airline | 200-225 | 33 | 13 | 10 |
Ultimate Airline | 225-250 | 36 | 14 | 10 |
Celestial Spaceline | 250+ | 39 | 15 | 10 |