Sonar IQ Research

Research built to find what may matter.

Independent, evidence-led research across companies, industries, markets, and macroeconomic conditions. The archive begins with a focused look at US airlines.

Coverage / AirlinesUS carriers, unit economics, capacity, demand, balance sheets, and the signals that shape the next phase of the cycle.
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Start with the market. Then go deeper.

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Equities / Industry coverage

Airlines 10 reportsGaming / coming soonTechnology / coming soonAI Infrastructure / coming soon
Research archive

Airlines

8 reports
Company research / AAL

American Airlines: a balance-sheet recovery the market is still discounting.

How debt reduction, loyalty economics, and capacity discipline could reshape the earnings debate.

Company research / DAL

Delta’s premium mix is becoming the most important number to watch.

Why revenue quality may matter more than headline growth into the next cycle.

Company research / UAL

United Airlines and the economics of a global network.

International exposure, hub advantage, and what the market may be missing.

Industry research

Capacity is normalizing. The revenue response is not.

A sector view on schedules, load factors, and the emerging divide between carriers.

Signal brief

A quiet inflection in airline ancillary revenue.

New disclosures point to a less cyclical earnings contribution than investors expect.

Company research / LUV

Southwest: the cost reset investors have been waiting for.

Where the turnaround thesis is gaining evidence—and where uncertainty remains.

Industry research

Airline loyalty programs are no longer a side business.

How co-brand economics are changing the quality of airline cash flows.

Signal brief

Corporate travel is changing shape, not disappearing.

The spending pattern that could matter most for higher-yield airline revenue.

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