| Property | Value |
| Country | Europe |
| Domain | Date |
| qa8.united.com | 2025-04-18 |
| qa9.united.com | 2025-04-15 |
| smartphone-stage.united.com | 2025-04-14 |
| checkinstage.united.com | 2025-04-13 |
| stage.united.com | 2025-04-13 |
| qa10.united.com | 2025-04-06 |
| qa7.united.com | 2025-02-26 |
| smartphone-dev.united.com | 2024-07-06 |
| smartphone-preprod.united.com | 2024-07-06 |
| smartphone-qa.united.com | 2024-07-06 |
| stage.unitedairlines.de | 2024-04-11 |