| 01/11/1985 | N512US | roll out. |
| 04/12/1985 | N512US | first flight. |
| 18/12/1985 | N512US | del Northwest Orient Airlines; '5512'; named "City of Chicago". |
| 10/01/1986 | N512US | bt Westinghouse Credit Corporation; opb Northwest Orient Airlines on lease. |
| 01/10/1986 | N512US | company renamed Northwest Airlines. |
| 04/02/1997 | N512US | transferred to State Street Bank & Trust Company; opb Northwest Airlines on lease. |
| 19/11/2003 | N512US | at Las Vegas in 2003 Northwest Airlines c/s (repainted after 20/09/2003). |
| 02/01/2004 | N512US | bt & rgd to Northwest Airlines Inc. |
| 01/10/2008 | N512US | arr Marana; for storage. |
| 29/10/2008 | N512US | Northwest Airlines merged into Delta Air Lines. |
| 08/01/2009 | N512US | bt Citicorp North America Inc. |
| 15/01/2009 | N512US | rgd to Wilmington Trust Company. |
| 18/07/2009 | N512US | bt GA Telesis LLC. |
| 18/07/2009 | N512US | ferried Marana-Orlando/Sanford; for part-out and scrapping. |
| 09/08/2009 | N512US | at Orlando/Sanford; missing both engines. |
| 24/10/2009 | N512US | at Orlando/Sanford; missing both engines, all doors and cargo hold doors. |
| 00/00/2009 | N512US | scrapping completed. |
| 16/07/2013 | N512US | registration cancelled. |
