QUICK ANSWER
Through-ticket and separate-ticket connections are different risk profiles.
01
Border control can dominate the timeline
International arrivals may need immigration, baggage and customs before an onward domestic leg.
02
Use the official board for the live part
Gate and terminal changes should come from RIOgaleão/airline sources.
✓
Sources and verification
Time-sensitive airport, airline, visa, security and transport details should always be confirmed with the relevant official source before travel.