2 routes compared
Via Istanbul avoids warning areas — others on this route do not.
Via Istanbul flies about 525 km further than the straight line between these cities — roughly 43m longer. How we work this out
Based on official airspace warnings · checked 1h ago · How this works
Full breakdown →Active warnings and closures affecting these routes
The Hong Kong to Zurich routing via Istanbul shows no active disruption in airspace right now. Before booking, check with your airline and official sources for current conditions, as the Central Asian Corridor has congestion alerts to monitor.
Route assessed 13h ago
Full breakdown →The top option avoids the warning area this route crosses.
Your Hong Kong to Zurich routing via Dubai crosses two active warning areas in the Middle East. Before booking, check current conditions with your airline and official aviation sources, as airspace status can change rapidly.
Part of this route goes through a flight warning area
Route assessed 13h ago
Full breakdown →We have fewer routes covered for this search than usual.
We score each route based on whether it flies near or through warning areas, how much longer it is, and how many reroute options exist — based on official flight warnings.
Some routes aren't covered yet — if yours is missing, that's a gap, not an assessment.
Scores compare route options; they are not safety ratings. Always check with your airline before booking.
Full explanation →For reference only · Check with your airline before booking