Why are all of these Bank planes taking off and landing at Phoenix Sky Harbor? It this usual? Any planefags know?

N405AN 2019 Airbus A321-251NX BANK OF UTAH TRUSTEE

N601AW 2003 Airbus A320-232 BANK OF UTAH TRUSTEE

N8729H 2018 BOEING 737 MAX 8 UMB BANK NA TRUSTEE

N559WN 2002 Boeing 737-73V WELLS FARGO TRUST CO NA TRUSTEE

N73270 2001 Boeing 737-824 WELLS FARGO TRUST CO NA TRUSTEE

N948NN 2014 Boeing 737-823 WELLS FARGO TRUST CO NA TRUSTEE

N554UW 2011 Airbus A321-231 WELLS FARGO TRUST CO NA TRUSTEE

>>13554185

Just clicking around on a bunch of random planes, and I see that quite a few have some sort of bank trustee mention in the Type field. I am not sure if this is usual.

>>13554239

Ok. Thank you.

>>13554272

Ty for clarifying.

Live Patrol

https://www.youtube.com/watch?v=bllRfsdROII

>>13554303

>>>13554185 (You) Why are all of these Bank planes taking off and landing at Phoenix Sky Harbor?

Probably not notable. Seems like banks lease planes to airlines.