Use the official rule for the final decision
Airline cutoffs, entry permission, baggage handling and terminal opening hours can change. The tool shows the hidden questions; the airline, airport or border authority remains the final source.

Estimate how much usable city time remains after immigration, bags, transport and your return-to-airport buffer — and surface the blockers you must confirm first.
First confirm entry permission. Then subtract immigration, baggage, transport both ways and your return-to-gate buffer.
Airline cutoffs, entry permission, baggage handling and terminal opening hours can change. The tool shows the hidden questions; the airline, airport or border authority remains the final source.
Weather, border queues, security queues, baggage delivery and late inbound flights can break a paper-perfect plan. The Airport Board does not invent those values.
Each airport hub keeps official maps, flight boards, transport sources and current airport changes close to the tool result.
The Airport Board hubs keep the official flight board, terminal map, live aviation weather and source-backed transfer guidance close to the estimate.