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Join Date: Jul 2002
Location: MCI
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So the choice is SAN-<East Coast>-DUB vs. SAN-<European hub>-DUB?
My first question: is there F availability on the transcon? If not, then I'd eliminate that from consideration.
If so, then it would be a question of timing and duration. Would you rather give up more of your departure day or more of your arrival day? Guessing the itin with an east coast connection is shifting a few hours earlier, but maybe has the shorter total duration.