Perhaps the question is easier to answer if you look at it differently. What are the consequences of getting delayed and missing the flight? Would you lose the flight and have to book a new one-way ticket at short notice, or is your airfare flexible enough to change that flight at short notice? (If you've checked in ahead of time, I believe you lose the option to rebook). Is there another flight later that day, or would you have to stay in a hotel for a night? And would you miss something important at your destination?

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