Find a common hub with strong onward service
A good shared connection usually comes from a hub with multiple inbound options and a strong flight to the final destination. More schedule depth creates more ways to align the group.
Compare each inbound arrival against one departure
Check every traveler’s inbound arrival against the same onward flight. The plan is only as strong as the tightest connection.
Check terminal and transfer complexity
Large hubs can require trains, security re-screening or terminal changes. A connection that looks generous on paper may be much tighter in practice.
Understand ticket protection
When segments are not on one protected itinerary, missed-connection risk changes. Travelers should know which carrier or booking provider is responsible before relying on the shared leg.
Keep an independent-route fallback
A shared connection is one coordination strategy, not a requirement. Compare it against routes where everyone travels independently and meets at the final destination.