| 21/05/1996 | N549US | roll out. |
| 29/08/1996 | N549US | first flight. |
| 20/09/1996 | N549US | del Northwest Airlines; '5649'. |
| 23/09/1996 | N549US | rgd to Northwest Airlines Inc. |
| 03/09/2003 | N549US | at Seattle in 2003 Northwest Airlines c/s (repainted after 27/07/2003). |
| 11/04/2007 | N549US | last service: Minneapolis-Seattle as NWA163. |
| 12/04/2007 | N549US | ferried Seattle-Kelowna as NWA9750; for installation of blended winglets. |
| 02/05/2007 | N549US | ferried Kelowna-Seattle as NWA9751 with blended winglets; in service: Seattle-Detroit as NWA212. |
| 29/10/2008 | N549US | Northwest Airlines merged into Delta Air Lines. |
| 02/09/2009 | N549US | arr Kuala Lumpur; for repaint. |
| 11/09/2009 | N549US | r/o at Kuala Lumpur in 2007 Delta Air Lines c/s with "Delta" titles. |
| 31/12/2009 | N549US | rgd to Delta Air Lines Inc. |
