| Line number | 0648 |
| Type | 224 W |
| Engines | Rolls Royce RB211-535E4-B |
| Mode S | A059E3 |
| Configuration | F16PY42Y118 |
| Name | |
|
| Date | Registration | Remarks |
| 25/10/1994 | N12109 | roll out. |
| 11/11/1994 | N12109 | first flight. |
| 05/12/1994 | N12109 | del Continental Airlines; '109'. |
| 07/12/1994 | N12109 | rgd to First Security Bank of Utah (in 2000 absorbed into Wells Fargo Bank Northwest). |
| 31/12/1995 | N12109 | bt General Electric Capital Aviation Services (GECAS); opb Continental Airlines on lease. |
| 10/08/2005 | N12109 | at Manchester with blended winglets (installed after 00/07/2005). |
| 02/05/2010 | N12109 | Continental Airlines agreed with United Airlines to merge into United Airlines. |
| 01/10/2010 | N12109 | Continental Airlines merged with United Airlines into United Airlines. |
| 03/01/2011 | N12109 | last service with "Continental" titles: San Jose (Costa Rica)-Houston as COA1490; ferried Houston-Amarillo as COA9974; for repaint of titles, |
| 05/01/2011 | N12109 | ferried Amarillo-Houston as COA9974 with "United" titles. |
| 06/01/2011 | N12109 | in service: Houston-Los Angeles as COA52. |
| 15/10/2014 | N12109 | bt & rgd to United Airlines Inc. |
| 26/04/2020 | N12109 | last service: Houston/IAH-Orlando/MCO as UAL1188; parked because COVID-19 pandemic. |
| 27/05/2020 | N12109 | ret to service: Orlando/MCO-Denver/DEN as UAL1544. |
