Modern MBA

Data

Southwest

American low-cost airline, the template every budget carrier copied, and operator of the world’s largest Boeing 737 fleet.

28 figures on Southwest, drawn from 3 Modern MBA case studies.

The figures

US dollars5

Against its own chart
Gross revenue in billions of dollars, 2023$26B4th of 8 · top $58BWhy budget airlines stopped winning
Annual revenue from credit cards and mileage sales$2.6B4th of 8 · top $8.2BWhy Asian airlines are so much better
Ancillary fees earned in billions of dollars, 2023$0.9B6th of 7 · top $7.9BWhy budget airlines stopped winning
Operating income of every major US airline in 2025, with and without loyalty revenue · With loyalty revenue$0.4B4th of 7 · top $5.8BWhy Asian airlines are so much better
Operating income of every major US airline in 2025, with and without loyalty revenue · Without it−$2.2B5th of 7 · top $1.5BWhy Asian airlines are so much better

Percentages21

Against its own chart
Load factor, 202383.4%5th of 8 · top 85.0%Why budget airlines stopped winning
Average share of revenue spent on fuel and on labor, 2010 to 2023 · Labor40%1st of 8 · top 40%Why budget airlines stopped winning
Second-highest market share at legacy fortresses, 2023 · Phoenix34%1st of 4 · top 34%Why budget airlines stopped winning
Second-highest market share at legacy fortresses, 2023 · Denver32%2nd of 4 · top 34%Why budget airlines stopped winning
Average share of revenue spent on fuel and on labor, 2010 to 2023 · Fuel27%3rd of 8 · top 31%Why budget airlines stopped winning
Annual operating margin · 201518%1st of 9 · top 18%Why budget airlines stopped winning
US-based airlines by share of the domestic market, 202317%2nd of 8 · top 18%Why budget airlines stopped winning
Annual operating margin · 201617%2nd of 9 · top 18%Why budget airlines stopped winning
Second-highest market share at legacy fortresses, 2023 · Washington DC15%3rd of 4 · top 34%Why budget airlines stopped winning
Annual operating margin · 201715%3rd of 9 · top 18%Why budget airlines stopped winning
Annual operating margin · 201814%4th of 9 · top 18%Why budget airlines stopped winning
Annual operating margin · 201913%5th of 9 · top 18%Why budget airlines stopped winning
Median annual operating margin, 2014–202412%1st of 10 · top 12%Why movie theaters survive off popcorn
Average operating margin, 2009 to 201910%3rd of 7 · top 16%Why budget airlines stopped winning
Annual operating margin · 201410%6th of 9 · top 18%Why budget airlines stopped winning
Second-highest market share at legacy fortresses, 2023 · Atlanta9%4th of 4 · top 34%Why budget airlines stopped winning
Annual operating margin · 20137%7th of 9 · top 18%Why budget airlines stopped winning
Share of each carrier's passenger revenue earned on international routes4%9th of 9 · top 100%Why Asian airlines are so much better
Annual operating margin · 20124%8th of 9 · top 18%Why budget airlines stopped winning
Annual operating margin · 20112%9th of 9 · top 18%Why budget airlines stopped winning
Annual operating margin by carrier1%5th of 7 · top 10%Why budget airlines stopped winning

Counts2

Against its own chart
Number of aircraft in fleet, 20238174th of 8 · top 1,273Why budget airlines stopped winning
Average price-to-earnings ratio, 2009 to 2019124th of 7 · top 15Why budget airlines stopped winning

Case studies covering Southwest

Case study — TravelWhy Asian airlines are so much betterAsian carriers deliver a service Americans barely recognize. American airlines earn more doing far less.11 min readCase study — Media & entertainmentWhy movie theaters survive off popcornTheaters keep less than half your ticket and lose money on the film. The popcorn is not a joke, it is the plan.10 min readCase study — TravelWhy budget airlines stopped winningThe low-cost carriers say the industry is rigged. It isn't. The legacy carriers just copied the only thing they had.16 min read