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Most major aviation data APIs are flight-tracking-first. Skystack is airport-operations-first — here's how that plays out capability by capability.
| Capability | Skystack | FlightAware AeroAPI | AviationStack | Cirium | AeroDataBox |
|---|---|---|---|---|---|
| Computed active runways (confidence-scored) | |||||
| Normalized ATIS (structured fields) Cirium lists NOTAMs and weather among its enterprise data sets, but ATIS isn't broken into structured fields the way Skystack returns it. | |||||
| Runway surface conditions | |||||
| Live flight tracking & status Not Skystack's focus today — we're airport-operations-first, not flight-tracking-first. | |||||
| Historical flight data | |||||
| Self-serve signup, no sales call |
FlightAware AeroAPI
Flight tracking & status
Per-query, $200/mo minimum
AviationStack
Flight schedules & reference data
Free tier, then $49.99–$499.99/mo
Cirium
Enterprise flight data & analytics
Enterprise / custom quote
AeroDataBox
Flight status & airport schedules
Tiered, via RapidAPI
Start building on real airport data
Free tier included. No credit card until you outgrow it.