Well because, if you miss your flight by three minutes, it is painfully easy to imagine that you could have made different decisions that would have led to a better outcome.
Jo, nokavējot lidmašīnu 3 minūtes, ir sāpīgi un vienkārši iztēloties, ka varējāt pieņemt citus lēmumus, kas būtu noveduši pie labāka rezultāta.