| 21/09/1989 | N505UA | roll out. |
| 24/10/1989 | N505UA | first flight. |
| 13/11/1989 | N505UA | del United Airlines; '5305'. |
| 13/11/1989 | N505UA | bt UT Finance Corporation; opb United Airlines on lease. |
| 14/07/1995 | N505UA | rgd to Wilmington Trust Company. |
| 13/06/2003 | N505UA | bt Wells Fargo Bank Northwest; opb United Airlines on lease. |
| 16/07/2003 | N505UA | rgd to Wells Fargo Bank Northwest. |
| 09/05/2004 | N505UA | at Denver in 2004 United Airlines c/s with "United" titles (repainted after 12/04/2004). |
| 09/07/2008 | N505UA | bt United Air Lines Inc. |
| 07/08/2008 | N505UA | rgd to United Air Lines Inc. |
| 02/05/2010 | N505UA | United Airlines agreed to merge with Continental Airlines into United Airlines. |
| 01/10/2010 | N505UA | United Airlines merged with Continental Airlines into United Airlines. |
| 12/11/2010 | N505UA | at New York/JFK with blended winglets (installed after 14/04/2010). |
| 21/09/2012 | N505UA | at Los Angeles in 2010 United Airlines c/s with "United" titles (repainted after 10/08/2012). |
| 13/02/2019 | N505UA | last service: Boston/BOS-San Francisco/SFO as UAL351. |
| 14/02/2019 | N505UA | ferried San Francisco/SFO-Goodyear/GYR as UAL2755; for part out and scrapping. |
| 26/07/2019 | N505UA | at Goodyear/GYR; still in full c/s; missing both engines. |
