
The recent Swelbar post revisits a 2021 presentation titled “Flight 031120: Departing Ubiquity Destined for Segmentation?” which argues that many commodity industries are defined by ubiquitous, undifferentiated products. It highlights the late Mike Levine’s insights on how such markets can evolve through purposeful segmentation. The author notes that the presentation’s predictions have proven accurate over the past three years. The piece is shared exclusively with Swelbar’s Friends of Swelbar subscribers.

American Airlines and United Airlines are expanding service at Chicago O'Hare, but the growth in flight frequencies exceeds the growth in available seats. United’s increase outpaces American’s, highlighting a more aggressive capacity push. Larger aircraft configurations are being deployed, which...

American Airlines and United Airlines are slated to boost their summer 2026 schedules at O'Hare by double‑digit percentages, pushing the airport's traffic to roughly 15% above last summer levels. The surge includes dozens of new nonstop flights to smaller markets,...

Aviation Week’s Daily Memo projects a stark transformation for U.S. ultra‑low‑cost carriers (ULCCs) by 2030. Rising labor, airport and supply‑chain costs are eroding the traditional seat‑cost advantage, prompting all value airlines to add premium products and seek new revenue streams....
![[COPY] The Airline Data Project](/cdn-cgi/image/width=1200,quality=75,format=auto,fit=cover/https://substackcdn.com/image/fetch/$s_!EbGB!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fadf49adc-855d-48a5-a2c3-d954f8c43585_1280x1280.png)
The episode delves into the Airline Data Project, an expansion of MIT's original dataset, now covering U.S. airline operations from 2017 onward. It explains how the project aggregates flight schedules, performance metrics, and financial data to enable rigorous research and...

The episode examines United Airlines' stalled contract negotiations with its flight‑attendant union, focusing on the demand for "ground pay"—compensation for time spent before doors close and after they open. It links this labor dispute to broader industry inefficiencies caused by...

The episode examines Frontier Airlines’ turnaround under new CEO Jimmy Dempsey, focusing on his four‑point strategy: rightsizing the fleet, tightening cost discipline, cutting cancellations and boosting on‑time performance, and deepening customer loyalty. Analysts debate the merits of increasing frequency on...

Groundhog Day 2026

The episode examines the Airline Pilots Association’s (ALPA) open letter to Spirit Airlines bondholders, accusing them—particularly Citadel—of jeopardizing Spirit’s Chapter 11 restructuring and threatening thousands of jobs in South Florida. It contextualizes Spirit’s woes within broader challenges facing the U.S....