| online | 10 | location |
| according to the plan | 6 | other |
| in the future | 5 | temporal |
| passenger → be able to → check | 54 |
| passenger → be → checked | 43 |
| passenger → can → check | 22 |
| passenger → be at → check | 4 |
| negative | neutral | positive |
| 0.096 | 0.728 | 0.176 |
| Raw frequency | 123 |
| Normalized frequency | 0.627 |
| Modifier score | 0.942 |
| Perplexity | 19.451 |