| TMA characteristics | The number of STARs |
| STAR structures (length, pointmerge or trombone existance) |
| Speed limitation of STARs |
| Speed limitation of instrument approach |
| Runway characteristics | Runway configurations |
| Operational characteristics | Average arrival separation |
| Average departure separation |
| STAR usage ratio |
| Average STAR entering speed |
| Average runway touch down speed |
| Others (advancement) | Arrival separation standards |
| Departure separation standards |
| Arr-dep separation standards |
| ROT(runway occupation time) |
| Fleet mix |
| Buffer time |