Southwest special schemes part 3

I've done some extensive research, and found the exact dates that each Southwest special scheme was originally introduced, along with any repaint/retirement dates, and dates that replacements were introduced.
Hopefully some of you will find this information useful.
Listed in order of introduction:

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 3/1/2015 retired 12/30/2020
Shamu V 8/2005 N715SW 737-7H4 repainted 3//12015 retired 3/30/2020
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016: 737-8H4 N8660A 2/11/2024
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017 repainted heart livery 6/8/2023: 737-8H4 N8653A 7/1/2023
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015 retired 8/14/2017: 737-7H4 N409WN 5/22/2015: 737-8H4 N8681M 7/22/2023
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000 retired 6/17/2023: 737-8H4 N8655D 7/13/2023
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
 
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Latest additions to the Southwest special schemes
NG Models 737-8H4 N8655D New Mexico One:
Southwest 737-8H4WL N8655D L.jpg
Southwest 737-8H4WL N8655D R.jpg
Gemini Jets 737-MAX 8 M8710M Imua One:
Southwest 737-MAX 8 N8710M L.jpg
Southwest 737-MAX 8 N8710M R .jpg
 
Here's an updated list of all of the Southwest special schemes as of 3/4/2024: (painted, no decals or stickers)

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 12/2014
Shamu V 8/2005 N715SW 737-7H4 repainted 12/2014
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016, repainted heart 1/16/24: 737-8H4 N8660A 2/21/24
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017, repainted heart 5/31/23: 737-8H4 N8653A 7/22/23
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015: 737-7H4 N409WN 5/22/2015, repainted heart 2/21/24: 737-8H4 N8681M 3/20/2024
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000, retired 6/17/23: 737-8H4 N8665D 7/13/23
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
 
Last edited:
Here's an updated list of all of the Southwest special schemes as of 07/12/2025: (painted, no decals or stickers)

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 12/2014
Shamu V 8/2005 N715SW 737-7H4 repainted 12/2014
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016, repainted heart 1/16/24: 737-8H4 N8660A 2/21/24
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017, repainted heart 5/31/23: 737-8H4 N8653A 7/22/23
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015: 737-7H4 N409WN 5/22/2015, repainted heart 2/21/24: 737-8H4 N8681M 3/20/2024
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000, retired 6/17/23: 737-8H4 N8665D 7/13/23
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012/retired 7/2/2025.
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
 
Here's an updated list of all of the Southwest special schemes as of 07/12/2025: (painted, no decals or stickers)

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 12/2014
Shamu V 8/2005 N715SW 737-7H4 repainted 12/2014
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016, repainted heart 1/16/24: 737-8H4 N8660A 2/21/24
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017, repainted heart 5/31/23: 737-8H4 N8653A 7/22/23
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015: 737-7H4 N409WN 5/22/2015, repainted heart 2/21/24: 737-8H4 N8681M 3/20/2024
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000, retired 6/17/23: 737-8H4 N8665D 7/13/23
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012/ retired 7/2/2025.
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
 
There is one sad update to the Southwest special schemes as of 08/13/2025: (painted, no decals or stickers)
Louisiana One has been repainted into the Heart scheme

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 12/2014
Shamu V 8/2005 N715SW 737-7H4 repainted 12/2014
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016, repainted heart 1/16/24: 737-8H4 N8660A 2/21/24
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017, repainted heart 5/31/23: 737-8H4 N8653A 7/22/23
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015: 737-7H4 N409WN 5/22/2015, repainted heart 2/21/24: 737-8H4 N8681M 3/20/2024
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000, retired 6/17/23: 737-8H4 N8665D 7/13/23
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012/ retired 7/2/2025.
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018, repainted heart livery 8/4/25.
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
 
I hope so, my guess is a MAX 8. We also need a new Colorado One since it was retired in July.

Id guess both get updated as all the rest have in the past. Do we know of any other special scheme 737s that are retiring eventually? Maryland, Missouri, and Arizona are all the -700s left in specials based on your list?
 
There is one sad update to the Southwest special schemes as of 08/13/2025: (painted, no decals or stickers)
Louisiana One has been repainted into the Heart scheme

Shamu I: 5/23/1988 N334SW 737-3H4 retired 12/11/2012
Shamu II: 5/30/1990 N507SW 737-5H4 retired 10/10/2013
Shamu III: 9/7/1990 N501SW 737-5H4 retired 6/26/2012
Shamu IV 7/2005 N713SW 737-7H4 repainted 12/2014
Shamu V 8/2005 N715SW 737-7H4 repainted 12/2014
Lone Star One: 737-3H4 N352SW 11/7/1990 retired 5/17/2016: 737-7H4 N931WN 7/15/2016, repainted heart 1/16/24: 737-8H4 N8660A 2/21/24
Arizona One: 737-3H4 N383SW 5/23/1994 retired 9/29/2017: 737-7H4 N955WN 2/27/2018
California One: 737-3H4 N609SW 8/11/1995 retired 2/10/2017: 737-7H4 N943WN 2/9/2017, repainted heart 5/31/23: 737-8H4 N8653A 7/22/23
Silver One: 737-3H4 N629SW 6/6/1996 retired 8/14/2017
Triple Crown One: 737-3H4 N647SW 6/9/1997 repainted 3/28/2015: 737-7H4 N409WN 5/22/2015, repainted heart 2/21/24: 737-8H4 N8681M 3/20/2024
Nevada One: 737-7H4 N727SW 6/21/1999 retired 11/4/2022: 737-8H4 N8646B 5/16/2023
New Mexico One: 737-7H4 N781WN 8/30/2000, retired 6/17/23: 737-8H4 N8665D 7/13/23
Maryland One: 737-7H4 N214WN 6/14/2005
Herbert Kelleher: 737-7H4 N711HK 7/8/2005 retired 3/11/2022: 737-MAX 8 N871HK 11/15/2022
Slam Dunk One: 737-7H4 N224WN 11/3/2005 repainted blue 10/11/2010
Gold retro: 737-7H4 N714CB 4/10/2007 retired 5/13/2022
Illinois One: 737-7H4 N918WN 4/14/2008 returned to lessor 11/20/2020: 737-8H4 N8619F 9/26/2022
Florida One: 737-7H4 N945WN 4/23/2010
Colorado One: 737-7H4 N230WN 8/22/2012/ retired 7/2/2025.
Penguin One: 737-7H4 N280WN 6/20/2013 repainted Missouri One 4/15/2015
Missouri One: 737-7H4 N280WN 4/15/2015
Tennessee One: 737-7H4 N922WN 2/22/2016 repainted heart livery 2/22/2021: 737-8H4 N8620H 9/3/2022
Louisiana One: 737-7H4 N946WN 3/7/2018, repainted heart livery 8/4/25.
Freedom One: 737-8H4 N500WR 6/18/2021
Colleen Barrett: 737-MAX 8 N872CB canyon blue retro 11/23/22
Imua One: 737-MAX 8 N8710M 4/29/2023
Sucks to see, at least I got one decent enough shot of it to upload last April:

https://www.planespotters.net/photo/1796218/n946wn-southwest-airlines-boeing-737-7h4-wl

IMG_3590.jpeg
 
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