FlyerTalk Forums - View Single Post - Best use of 500-mile upgrades for lowly 2P
Old Jul 19, 2007 | 5:22 am
  #7  
lucky9876coins
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For a single 500'er you can't beat SFO-PDX based just on the length of the flight.

Otherwise, IAD-DEN is a great use at three, and JFK-LAX is a great use at five.

Keep in mind that if upgrades clear before you check-in you are only charged the direct distance between your origin and destination. So, while JFK-SFO is six, JFK-SFO-LAX is only five if it clears before check-in!
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