4 routes compared
Via Hong Kong (Cathay South Routing) avoids warning areas — others on this route do not.
Via Hong Kong (Cathay South Routing) flies about 3,490 km further than the straight line between these cities — roughly 4h 10m 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 Paris to Tokyo routing via Hong Kong shows no active airspace disruption at the moment. Airspace conditions on this path are clear, though you should verify current conditions with your airline and official sources before booking.
This route is significantly longer than a more direct path
Route assessed 13h ago
Full breakdown →The Paris to Tokyo routing via Beijing has no active disruption in its assessed airspace right now. Before booking, check with your airline and official sources for the latest conditions, as airspace situations can change.
Very few backup paths if this route is disrupted
Route assessed 13h ago
Full breakdown →Scores 21 points lower overall than the top option.
The Paris to Tokyo routing via Central Asia is clear of active disruption zones at the moment. Before booking, check with your airline about any operational changes, since airspace situations can shift quickly.
Only one path. No other way if it closes
Route assessed 13h ago
Full breakdown →Also compare
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