2+3 hour: checkin line, security line, wait at gate, seating line
4th hour: actually move somewhere through flight
5th hour: passport check, baggage pickup
6th hour: from airport to city
All of the above is true unless you are flying through a small town airport or a pre-80's airport like TXL Berlin, built in 1974 and designed to be duty-free-maze immune
1st hour: from city to airport
2+3 hour: checkin line, security line, wait at gate, seating line
4th hour: actually move somewhere through flight
5th hour: passport check, baggage pickup
6th hour: from airport to city
All of the above is true unless you are flying through a small town airport or a pre-80's airport like TXL Berlin, built in 1974 and designed to be duty-free-maze immune