| 04/02/1993 | N578UA | roll out. |
| 25/02/1993 | N578UA | first flight. |
| 12/03/1993 | N578UA | del & rgd to United Airlines; '5678'. |
| 24/02/2006 | N578UA | bt US Bank; opb United Airlines on lease. |
| 27/02/2006 | N578UA | rgd to US Bank, Hartford, CT. |
| 05/09/2009 | N578UA | ferried San Francisco-Roswell as UAL____; for repaint. |
| 01/11/2009 | N578UA | at Orlando in 2004 United Airlines c/s with "United" titles. |
| 02/05/2010 | N578UA | United Airlines agreed with Continental Airlines to merge into United Airlines. |
| 01/10/2010 | N578UA | United Airlines merged with Continental Airlines into United Airlines. |
| 12/04/2013 | N578UA | at Las Vegas in 2010 United Airlines c/s with "United" titles (repainted after 21/02/2012). |
| 02/06/2014 | N578UA | bt United Airlines Inc. |
| 03/06/2014 | N578UA | rgd to United Airlines Inc. |
| 06/07/2014 | N578UA | last service: Washington/Dulles-San Francisco as UAL225. |
| 31/07/2014 | N578UA | ferried San Francisco-Goodyear as UAL2135. |
| 01/08/2014 | N578UA | bt Federal Express Corporation. |
| 15/08/2014 | N578UA | rgd to Federal Express Corporation. |
| 22/09/2014 | N791FD | registration reserved by Federal Express Corporation. |
| 16/10/2014 | N791FD | Federal Express Corporation; re-rgd. |
| 21/09/2015 | N791FD | ferried Victorville-Mobile as FDX9042; for conversion to freighter but diverted to Albuquerque; reason unknown. |
| 25/09/2015 | N791FD | ferried Albuquerque-Mobile as FDX9050; for conversion to freighter. |
| 00/03/2016 | N791FD | conversion to freighter completed at Mobile. |
| 18/03/2016 | N791FD | ferried Mobile-New Iberia as FDX9049; for repaint. |
| 31/03/2016 | N791FD | ferried New Iberia-Memphis as FDX9054 in full FedEx c/s; named "?". |
| 01/04/2016 | N791FD | in service: Memphis-Nashville as FDX1498. |
