| Line number | 0329 |
| Type | 222 |
| Engines | Pratt & Whitney PW2037 |
| Mode S | A695D6 |
| Configuration | F24PY50Y108 |
| Name | |
|
| Date | Registration | Remarks |
| 18/10/1990 | N523UA | roll out. |
| 13/11/1990 | N523UA | first flight. |
| 29/11/1990 | N523UA | del United Airlines; '5423'. |
| 29/11/1990 | N523UA | bt UT-A310-V Inc.; opb United Airlines on lease. |
| 06/06/1995 | N523UA | bt General Foods Credit Investors No 3; opb United Airlines on lease. |
| 11/04/1998 | N523UA | at Houston in 1993 United Airlines c/s with "United Airlines" titles. |
| 11/02/2002 | N523UA | bt State Street Bank & Trust Company; opb United Airlines on lease. |
| 07/03/2002 | N523UA | rgd to State Street Bank & Trust Company. |
| 28/05/2004 | N523UA | rgd to US Bank, Boston, MA. |
| 21/02/2009 | N523UA | at Seattle in 2004 United Airlines c/s (repainted after 00/03/2008). |
| 02/05/2010 | N523UA | United Airlines agreed with Continental Airlines to merge into United Airlines. |
| 01/10/2010 | N523UA | United Airlines merged with Continental Airlines into United Airlines. |
| 11/11/2012 | N523UA | at Washington/National in 2010 United Airlines c/s with "United" titles (repainted after 04/07/2012). |
| 13/08/2014 | N523UA | last service: Chicago/O'Hare-San Francisco as UAL761. |
| 14/08/2014 | N523UA | ferried San Francisco-Goodyear as UAL2157; for storage. |
| 08/10/2014 | N523UA | at Goodyear in basic United Airlines c/s without titles and tail logo partly painted out. |
| 23/12/2014 | N523UA | bt Wells Fargo Bank Northwest. |
| 15/01/2015 | N523UA | rgd to Wells Fargo Bank Northwest. |
| 01/02/2015 | N523UA | at Goodyear/GYR in United Airlines c/s with titles and part of tail logo painted out; for part out and scrapping. |
| 03/08/2016 | N523UA | at Goodyear/GYR. |
| 13/09/2016 | N523UA | registration cancelled. |
| 10/05/2018 | N523UA | not spotted. |
