Delta Air Lines, Inc. vs Quest Diagnostics Inc — how do they compare? Delta Air Lines, Inc. trades at $85.89 (market cap $56.23B), while Quest Diagnostics Inc trades at $205.45 (market cap $22.80B). The key difference: Delta Air Lines, Inc. is far larger — about 2.5× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays the higher dividend (1.67%). Which is the better fit depends on your goals.
| DAL | DGX | |
|---|---|---|
Market Cap | $56.23B | $22.80B |
Sector | Industrials | Health |
52-Week High | $93.66 | $216.02 |
52-Week Low | $51.15 | $166.42 |
Enterprise Value | $71.55B | $28.82B |
Dividend Yield | 0.91% | 1.67% |
Signals from Pluang's Aura AI — not financial advice
Delta Air Lines (DAL) trades at $86.19, down 1.37% on the day, with a bullish technical outlook supported by strong earnings beats and positive analyst sentiment. The stock shows solid fundamentals with a P/E of 14.29 and net income margin of 5.78%, while recent news highlights premium demand resilience and AI-driven customer satisfaction improvements. Cash flow trends have strengthened, with net cash flow turning positive in 2025 at $1.08 billion.
The outlook remains favorable with an 81.82% analyst buy rating and a $108.27 consensus price target implying 26% upside. Key risks include fuel cost volatility and competitive pressures, but strong institutional support and consistent earnings performance underpin potential for continued growth amid stable travel demand.
Quest Diagnostics (DGX) trades at $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
Trailing returns across standard periods
Latest headlines on both assets
Atlanta-based Delta Air Lines is one of the world's largest airlines, with a network of over 300 destinations in more than 50 countries. Delta operates a hub-and-spoke system network, where it gathers and distributes passengers across the globe through key locations such as Atlanta, New York, Salt Lake City, Detroit, Seattle, and Minneapolis-St. Paul. Delta's sale of frequent flier miles, particularly to American Express, is a major driver of the firm's profits.
Read more on DAL →Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →