The aggregate rating of Carnival Splendor is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 147 | 3.3 / 147 | 3.3 / 147 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | 3.9 / 2747 | 3.9 / 2749 | 3.9 / 2751 | |
| cleancruising.com.au | 3.9 / 316 | 3.9 / 316 | 3.9 / 325 | |
| cruisedirect.com | 4.1 / 20 | 4.05 / 20 | 4.05 / 20 |
Carnival Splendor is also ranked in: