Every now and then they call me up to do some Saturday air deliveries. I'm happy to do them, but the thing is, I have virtually zero familiarity with any of the areas they give me to deliver, so I have to GPS my way to 95% of the stops. And I've told them this too. Is this a common occurrence for delivering Saturday air? Also, this past Saturday I went in to do it and I had about 20 stops stretched pretty far across the center's coverage area (had about 120 miles on the truck at the end of the day). My GPS died towards the end and I got turned around finding a few roads and ended up with two late Saturday airs. Today I worked the Preload and the center manager had a little stern talk with me about having late airs. Is it worth sweating over?