I personally have never spent more than 1 hour in line at arrival in the six visits last year. Always meet interesting people in line. Arrived at 11:30am on January 31st looking at 6 people in front of me and had to wait for bags. 2:30 pm is another story. For the reasons mentioned by M&G we always book return in case of delays. Nice way to end a holiday. Some hotels ( like Treehouse) sell return with 5$ off if paying cash.