Swelbar on Airlines
William Swelbar, AbbyAn unvarnished, analytically supported view on the most talked-about issues in the airline business: the people running the airlines, labor unions, competition, Wall Street, and government's influence in one of the world's most interesting industries.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 226 | Subscribers | Read | swelbar.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Bitcoin and U.S. Value Sector Airlines and Others Too
On Monday February 24, 2026, Isabelle Lee and Vildana Hajric wrote an article in the U.S. edition of Bloomberg titled Bitcoin’s $1 Trillion Identity Crisis Hits from Every Direction. There were any number of messages in the article that gav...
The Barclays Conference Had Many Subliminal Things to Say About 2026 - For Me
Yesterday morning I did my best to fully complete the update on the Airline Data Project on Swelbar's Substack for CY2025 for paid subscribers. The data requires complete filings of publicly available information from SEC filings and DOT. T...
[COPY] The Airline Data Project
This project expands on the MIT Airline Data Project, collecting data from 2017-present on U.S. airlines to support research and inform industry and policy decisions.
United Airlines v. United Airlines Flight Attendants
First, this post is about an industry that sells time saved. Time saved is calculated in minutes. Minutes turn into hours. Increased minutes translate into increased cost. It was government’s obligation to maintain an efficient Air Traffic ...
Authors
The writers behind this newsletter.
Swelbar is a known speaker/expert witness regarding the economics of commercial air transport. Currently the Chief Industry Analyst at The Swelbar-Zhong Consultancy - An Economic Analysis and Research Firm focused on commercial aviation.
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