NCL Dry Dock calendar 2020 provides the opportunity to search cruise ships that are scheduled to undergo dry dock refurbishment and routine maintenance including new features to the ships. The following list contains arrival and departure dates and times according to Norwegian Cruise Line 2020 schedules.
| Date | Port | Ship | Arrive-Depart |
| 3-Jan-2020 | Marseille - drydock | Norwegian Spirit | 08:00-23:59 |
| 4-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 5-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 6-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 7-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 8-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 9-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 10-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 11-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 12-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 13-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 14-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 15-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 16-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 17-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 18-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 19-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 20-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 21-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 22-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 23-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 24-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 25-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 26-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 27-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 28-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 29-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 30-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 31-Jan-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 1-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 2-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 3-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 4-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 5-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 6-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 7-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 8-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 9-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-23:59 |
| 10-Feb-2020 | Marseille - drydock | Norwegian Spirit | 00:00-12:00 |
| 3-May-2020 | Portland OR drydock | Pride of America | 07:00-23:59 |
| 4-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 5-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 6-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 7-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 8-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 9-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 10-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 11-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 12-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 13-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 14-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 15-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 16-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 17-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 18-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 19-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 20-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 21-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 22-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 23-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 24-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 25-May-2020 | Portland OR drydock | Pride of America | 00:00-23:59 |
| 26-May-2020 | Portland OR drydock | Pride of America | 00:00-16:00 |
| 22-Oct-2020 | Brest - drydock | Norwegian Escape | 11:00-23:59 |
| 23-Oct-2020 | Brest - drydock | Norwegian Escape | 00:00-23:59 |
| 24-Oct-2020 | Brest - drydock | Norwegian Escape | 00:00-23:59 |
| 25-Oct-2020 | Brest - drydock | Norwegian Escape | 00:00-14:00 |
| 9-Nov-2020 | Marseille - drydock | Norwegian Epic | 04:00-23:59 |
| 10-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 10-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 11-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 11-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 12-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 12-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 13-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 13-Nov-2020 | Boston - drydock | Norwegian Gem | 16:00-23:59 |
| 14-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 14-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 15-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 15-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 16-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 16-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 17-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 17-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 18-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 18-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 19-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 19-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 20-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 20-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 21-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 21-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 22-Nov-2020 | Marseille - drydock | Norwegian Epic | 00:00-23:59 |
| 22-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 23-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 24-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 25-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 26-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 27-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 28-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-23:59 |
| 29-Nov-2020 | Boston - drydock | Norwegian Gem | 00:00-08:00 |
| 2-Dec-2020 | Trieste - drydock | Norwegian Dawn | 03:00-23:59 |
| 3-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 4-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 5-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 6-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 7-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 8-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 9-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 10-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 11-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 12-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 13-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 14-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-23:59 |
| 15-Dec-2020 | Trieste - drydock | Norwegian Dawn | 00:00-21:00 |
