Modern MBA

Data

Frontier

American ultra-low-cost airline from Denver, one of the country’s two largest discounters, and a repeat bidder for Spirit.

29 figures on Frontier, drawn from 2 Modern MBA case studies.

The figures

US dollars9

Against its own chart
Gross revenue in billions of dollars, 2023$4B8th of 8 · top $58BWhy budget airlines stopped winning
Ancillary fees earned in billions of dollars, 2023$2.9B4th of 7 · top $7.9BWhy budget airlines stopped winning
Annual revenue from credit cards and mileage sales$0.1B7th of 8 · top $8.2BWhy Asian airlines are so much better
Total passenger spend on average between Spirit and Frontier · 2022$130.501st of 4 · top $130.50Why budget airlines stopped winning
Total passenger spend on average between Spirit and Frontier · 2023$118.772nd of 4 · top $130.50Why budget airlines stopped winning
Total passenger spend on average between Spirit and Frontier · 2019$109.913rd of 4 · top $130.50Why budget airlines stopped winning
Total passenger spend on average between Spirit and Frontier · 2018$108.654th of 4 · top $130.50Why budget airlines stopped winning
Operating income of every major US airline in 2025, with and without loyalty revenue · With loyalty revenue−$0.1B6th 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−$0.3B2nd of 7 · top $1.5BWhy Asian airlines are so much better

Percentages19

Against its own chart
Load factor, 202381.4%7th of 8 · top 85.0%Why budget airlines stopped winning
Average share of revenue spent on fuel and on labor, 2010 to 2023 · Fuel29%2nd of 8 · top 31%Why budget airlines stopped winning
Average share of revenue spent on fuel and on labor, 2010 to 2023 · Labor28%7th of 8 · top 40%Why budget airlines stopped winning
Average operating margin, 2009 to 201913%2nd of 7 · top 16%Why budget airlines stopped winning
US-based airlines by share of the domestic market, 20234%8th of 8 · top 18%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20204%1st of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20234%1st of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20173%3rd of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20183%3rd of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20193%3rd of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20213%3rd of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20223%3rd of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20102%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20112%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20122%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20132%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20142%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20152%8th of 14 · top 4%Why budget airlines stopped winning
Domestic market share of the two ultra-low-cost carriers · 20162%8th of 14 · top 4%Why budget airlines stopped winning

Counts1

Against its own chart
Number of aircraft in fleet, 20231368th of 8 · top 1,273Why budget airlines stopped winning

Case studies covering Frontier

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 — 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