| 21/08/2001 | N553NW | roll out. |
| 14/09/2001 | N553NW | first flight. |
| 21/09/2001 | N553NW | del Northwest Airlines; '5653'. |
| 24/09/2001 | N553NW | rgd to Northwest Airlines Inc. |
| 31/10/2004 | N553NW | at Phoenix in 2003 Northwest Airlines c/s (repainted after 23/09/2004). |
| 17/09/2008 | N553NW | at Minneapolis with blended winglets (installed after 08/12/2007). |
| 29/10/2008 | N553NW | Northwest Airlines merged into Delta Air Lines. |
| 08/04/2009 | N553NW | ferried Minneapolis-Greenville (MS) as NW9866; for repaint. |
| 18/04/2009 | N553NW | ferried Greenville-Minneapolis as NWA9750 in 2007 Delta Air Lines c/s with "Delta" titles. |
| 31/12/2009 | N553NW | rgd to Delta Air Lines Inc. |
| 01/10/2018 | N553NW | ferried Atlanta/ATL-Jacksonville/VQQ as DAL9931; for maintenance and winter storage. |
| 17/04/2019 | N553NW | ferried Jacksonville/VQQ-Minneapolis/MSP as DAL9994; after winter storage. |
