| Line number | 0109 |
| Type | 251 |
| Engines | Pratt & Whitney PW2037 |
| Mode S | A68AC1 |
| Configuration | F22W19Y141 |
| Name | |
|
| Date | Registration | Remarks |
| 24/07/1986 | N520US | roll out. |
| 09/10/1986 | N520US | first flight. |
| 27/10/1986 | N520US | del Northwest Airlines; '5520'; named "City of Philadelphia". |
| 19/12/1986 | N520US | bt Public Service Resource Corporation; opb Northwest Airlines on lease. |
| 12/01/1987 | N520US | bt First National Bank of Boston, Boston, MA; opb Northwest Airlines on lease. |
| 09/09/1997 | N520US | bt State Street Bank & Trust Company, Boston, MA; opb Northwest Airlines on lease. |
| 06/12/2003 | N520US | at Baltimore in 2003 Northwest Airlines c/s. |
| 01/04/2005 | N520US | rgd to US Bank, Boston, MA. |
| 01/03/2006 | N520US | rgd to Wilmington Trust Company. |
| 15/10/2008 | N520US | bt & rgd to Northwest Airlines Inc. |
| 29/10/2008 | N520US | Northwest Airlines merged into Delta Air Lines. |
| 00/08/2010 | N520US | arr Marana; for storage. |
| 07/10/2011 | N520US | at Marana in basic Northwest Airlines c/s; stored. |
| 27/01/2013 | N520US | at Marana; stored. |
| 25/10/2013 | N520US | at Marana in basic Northwest Airlines c/s; missing both engines. |
| 25/12/2013 | N520US | at Marana; stored. |
| 13/11/2015 | N520US | at Marana; stored. |
| 01/02/2016 | N520US | at Marana; missing both engines, nose cone, all doors and most useful parts; still on landing gear; for part out and scrapping. |
| 26/04/2017 | N520US | at Marana; missing both engines, nose cone, all doors and most useful parts; still on landing gear; for part out and scrapping. |
| 16/05/2017 | N520US | registration cancelled. |
| 00/00/2017? | | scrapping completed. |
