Wind Riddles

Google Riddles - The Return Flight
Riddle:
Today is more windy than yesterday, will a return flight take the same time, less time, or the same amount of time to complete? (The 'Google Riddles' are interview questions those who wish to get hired were asked).
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I Serve By Being Devoured
Riddle:
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe. What am I?
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