F1: 30 May 2006
Delivered: 9 Jun. 2006
| 09 Jun. 2006 | Spirit Airlines | NKS,NK | N521NK | |
| N521NK | cs: Spirit | A68DDB | ||
| Leased from: ILFC |
| 15 Sep. 2008 | Mandala Airlines | MDL,RI | RK-RMH | |
| RK-RMH | cs: Mandala | 8A019C | ||
| Leased from: ILFC |
| 04 Feb. 2011 | ILFC | N611LF |
| 28 Jul. 2011 | Wind Jet | JET,IV | EI-ESG | |
| EI-ESG | cs: Wind Jet | 4CA989 | ||
| Leased from: ILFC |
 |
| MXP - May 2012 Copyright: Günter Mayer |
| 07 Nov. 2012 | ILFC | N521NK |
| 14 Dec. 2012 | Spirit Airlines | NKS,NK | N521NK | |
| N521NK | cs: Spirit | A68DDB | ||
| Leased from: AerCap |
 |
| FLL - Feb. 2014, Copyright: Marcel Hohl |
| Jul. 2016 | Stored at STR | N521NK |
| ntu | United Airlines | UAL,UA | N887UA | |
| cs: |
| Sep. 2016 | Spirit Airlines | NKS,NK | N521NK | |
| N521NK | cs: Spirit | A68DDB | ||
| Leased from: AerCap |
| 12 Jul. 2020 | Stored at MCO | N521NK |
| 15 Jul. 2020 | ✈ Ferried MCO-MZJ | NK9200 |
| 29 Apr. 2021 | ✈ Ferried MZJ-LCO | NK9221 | ||
| N521NK | cs: Spirit | A68DDB |
| 29 Apr. 2021 | Spirit Airlines | NKS,NK | N521NK | |
| N521NK | cs: Spirit | A68DDB | ||
| Leased from: AerCap |
| 05 Jul. 2023 | Stored at IAH | N521NK |
| 11 Jul. 2023 | ✈ Ferried IAH-P08 | NK9921 | ||
| cs: | A68DDB | stored |
02797, N521NK
