With 2024 year-end data now available, we offer our US airline fleet tracking model for your review. This is quite a big one; for any avgeek, it will be a delightful rabbit hole. It offers hours of viewing. The industry is continually changing. We expect many non-subscribers would like to see this. Use this email if you'd like a custom subscription offer. Notes: Remember the usual: click the double-headed arrow at the bottom right for optimal viewing. Because they are busy charts, use the legend at the top to help isolate what you want to see. There are six pages. You will notice how fleet renewal is impacting the industry, specifically the growing impact of MoM models. You will also note that slow deliveries of state-of-the-art models are impacting, with older models remaining in service longer. Southwest is a good example with the 737-700.