Compare the same time window across weeks: choose airports, a start and end time, a weekday, and how far back to look. Each period becomes one bar of detected movements.
Enumerating periods…
Compare the same UTC time window across weeks: choose airports, a start and end time, a weekday, and how far back to look. Each period becomes one bar of detected movements.
For example: Friday evenings 18:00–22:00 UTC over the last eight weeks at EKCH.