DFlight API vs Glax Weather API
Same instrument, two spec sheets — measured, not claimed.
DFlight API vs Glax Weather API: common questions
Which is more reliable, DFlight API or Glax Weather API?
On our scheduled checks, Glax Weather API leads on measured uptime — DFlight API at 23.0% versus Glax Weather API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, DFlight API or Glax Weather API?
DFlight API has the lower median latency in our checks — DFlight API responds in 182 ms versus Glax Weather API at 458 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do DFlight API and Glax Weather API need an API key?
Neither needs a paid key — DFlight API is callable with no signup, and Glax Weather API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call DFlight API and Glax Weather API from the browser?
Only DFlight API is browser-friendly — it returns CORS headers over HTTPS. Glax Weather API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are DFlight API and Glax Weather API free for commercial use?
DFlight API has unclear commercial terms, and Glax Weather API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.