gods-eye-view/changelog.d/1655-long-route-corridor.md

• A long flight keeps its origin and destination when weather or airways take it far off the great circle: the route check now allows 200 km or 15% of the route's length, whichever is larger (623 km for JFK–SFO), while a short hop still allows 200 km (Sameh Khamis, @samehkhamis, #1655).