Flight delays can change at any time for a number of reasons (airline finds another aircraft, maintenance issue gets fixed quicker, weather clears, FAA releases a plane earlier) you should always arrive at least an hour before the original scheduled flight time for reasons just like these and not arrive at the airport based on the delayed flight time. In a situation like this it's very unlikely that you will get compensation since in the end your flight was not delayed however you are welcome to Contact Customer Relations to provide your feedback. -Blake
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