FlightAware vs Portfolio123 comparison

Both platforms cover Data APIs, APIs & SDKs, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.

Both FlightAware and Portfolio123 keep freemium access with optional paid upgrades, so you can trial each platform before committing.

FlightAware ships a dedicated mobile experience, while Portfolio123 focuses on web or desktop access.

FlightAware differentiates itself with Live flight tracking and flight-status pages with dedicated views for cancellations and delays, plus the signature MiseryMap® for U.S. air traffic disruptions., Premium subscriptions unlock unlimited flight alerts and access to three, five, or eight months of historical flight data., and AeroAPI (v4) provides RESTful access to current and historical flight data with JSON responses and API key authentication., whereas Portfolio123 stands out for Web‑based quant research terminal for building multifactor ranking systems, stock/ETF screens, and complete rules‑based strategies with no programming, powered by point‑in‑time FactSet data and marketed as free of survivorship and look‑ahead bias., Supports realistic simulations and backtests over roughly 20 years of history for US, Canadian, and European equities, with custom universes, separate buy/sell rules, position sizing, hedging, and “Book of Strategies” to combine and analyze correlated systems., and Stock & ETF coverage uses fundamentals, estimates, corporate actions, plus industry/sector classification, with “over 15,000 current US, Canadian, and European stocks” and many more historical issues..