Luggage storage and transportation from Northern Terminus to Tucson Airport?

I’m planning a thru of the AZT in the spring. I will have my hiking bag and another suitcase that I will need immediately after the trip to head to another state. This means when I arrive in Tucson I will need to find a place to store my suitcase for 6 weeks or so. I also would need transportation back from the northern terminus to the Tucson area to collect my suitcase and fly out from there. Any advice or suggestions?