If a timeWindowBegin and timeWindowEnd is not specified in your FIDS API request, we will use a default window of flights departing or arriving at an airport. The FIDS API looks at a window before and after "now" based on the classification or number of departures an airport has.
The ranges are:
- class 1 airport: -1 to +8 hours
- class 2 airport: -2 to +16 hours
- class 3+ airport: -3 to +24 hours
For information on how we classify an airport, please see: