| Line number | 0709 |
| Type | 251 W |
| Engines | Pratt & Whitney PW2037 |
| Mode S | A6E4E4 |
| Configuration | F20W29Y150 |
| Name | |
|
| Date | Registration | Remarks |
| 02/04/1996 | N543US | roll out. |
| 22/04/1996 | N543US | first flight. |
| 15/05/1996 | N543US | del Northwest Airlines; '5643'. |
| 30/06/1996 | N543US | bt State Street Bank & Trust Company; opb Northwest Airlines on lease. |
| 30/06/1996 | N543US | rgd to First Security Bank of Utah (as of 2000 Wells Fargo Bank Northwest after merger). |
| 21/08/2004 | N543US | at Minneapolis in 2003 Northwest Airlines c/s (repainted after 05/08/2004). |
| 28/09/2006 | N543US | rgd to Wells Fargo Bank Northwest. |
| 29/10/2008 | N543US | Northwest Airlines merged into Delta Air Lines. |
| 02/10/2009 | N543US | arr Kuala Lumpur; for repaint. |
| 11/10/2009 | N543US | r/o at Kuala Lumpur in 2007 Delta Air Lines c/s with "Delta" titles; '5643'. |
| 17/01/2014 | N543US | at Miami with blended winglets (installed after 11/07/2013). |
| 03/05/2016 | N543US | bt & rgd to Delta Air Lines. |
| 18/08/2019 | N543US | made a hard landing after flight DAL414 from New York/JFK to Ponta Delgada/PDL; rough landing caused structural damage. |
| 16/09/2019 | N543US | ferried Ponta Delgada/PDL-Atlanta/ATL as DAL9959; for further repairs. |
| 01/04/2020 | N543US | last service: Detroit/DTW-Seattle/SEA as DAL2376 |
| 03/04/2020 | N543US | ferried Seattle/SEA-San Bernardino/SBD as DAL3278; for parking because of COVID-19 pandemic. |
| 20/06/2020 | N543US | ferried San Bernardino/SBD-Los Angeles/LAX as DAL9937. |
| 26/06/2020 | N543US | ret to service: Los Angeles/LAX-Puerto Vallarta/PVR as DAL741. |
| 06/09/2025 | N543US | last service: San Jose/SJO-Atlanta/ATL as DAL3231. |
| 08/09/2025 | N543US | ferried Atlanta/ATL-Victorville/VCV as DAL9962; for storage and engine removal. |
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