| Version | Languages | Lines (HTML + PHP / CSS) | Comments |
|---|
| Version 1 | HTML | 5,883 / 0 | Raw HTML version |
| Version 2 | HTML, CSS | 5,884 / 46 | Basic CSS |
| Version 3 | HTML, CSS | 5,884 / 46 | Data cleanup |
| Version 4 | HTML, CSS | 5,890 / 57 | CSS improvements |
| Version 5 | HTML, CSS, PHP | 38 / 57 | PHP/SQLite Version |
| Version 6 | HTML, CSS, PHP | 65 / 81 | Basic filtering |
| Version 7 | HTML, CSS, PHP | 65 / 81 | Adding a "Reset" button |
| Version 8 | HTML, CSS, PHP | 141 / 88 | Adding filtering by terminal |
| Version 9 | HTML, CSS, PHP | 252 / 93 | Filtering improvements and stickiness |
| Version 10 | HTML, CSS, PHP | 220 / 98 | PHP code optimization, adding results count |
| Version 11 | HTML, CSS, PHP | 324 / 102 | Adding filtering by month and by year, improving the fieldset styling |
| Version 12 | HTML, CSS, PHP | 370 / 107 | Adding filtering by number of passengers, display layout improvements |