| Line number | 0298 |
| Type | 222 W |
| Engines | Pratt & Whitney PW2037 |
| Mode S | A66AA0 |
| Configuration | C28PY42Y72 |
| Name | |
|
| Date | Registration | Remarks |
| 07/06/1990 | N512UA | roll out. |
| 03/07/1990 | N512UA | first flight. |
| 20/07/1990 | N512UA | del United Airlines; '5312'. |
| 23/11/2004 | N512UA | at Denver in 2004 United Airlines c/s (repainted after 25/10/2004). |
| 16/02/2009 | N512UA | at New York/JFK with blended winglets (installed after 11/01/2009). |
| 00/00/2009 | N512UA | bt Tennenbaum Opportunities Partner; opb United Airlines on lease. |
| 27/08/2009 | N512UA | rgd to Wells Fargo Bank Northwest. |
| 02/05/2010 | N512UA | United Airlines agreed with Continental Airlines to merge into United Airlines. |
| 01/10/2010 | N512UA | United Airlines merged with Continental Airlines into United Airlines. |
| 18/02/2012 | N512UA | at New York/JFK in 2010 United Airlines c/s with "United" titles (repainted after 16/10/2011). |
| 28/11/2016 | N512UA | rgd to United Airlines Inc. |
| 17/02/2019 | N512UA | last service: Newark/EWR-Los Angeles/LAX as UAL758; ferried Los Angeles/LAX-San Antonio/SAT as UAL2759; for maintenance. |
| 12/04/2019 | N512UA | ferried San Antonio/SAT-San Francisco/SFO as UAL2747. |
| 14/04/2019 | N512UA | in service: San Francisco/SFO-New York/EWR as UAL577. |
| 19/03/2020 | N512UA | last service: San Francisco/SFO-Newark/EWR as UAL753. |
| 20/03/2020 | N512UA | ferried Newark/EWR-Roswell/ROW as UAL2752; for storage. |
