I'm using the Laminar Data flights-by-airline API e.g.
The response XML only ever contains flights with status scheduled, filed or airborne, never completed or cancelled. How do I get completed/cancelled flights via this API?
There is an optional URL parameter,
status, that returns flights with a status of either airborne, cancelled, completed, filed or scheduled. See the active docs here for an example. Caveat, I work on the Laminar platform.