"Even if your flight is supposed to have wifi, it's often unreliable," says Elliott. It's best to make sure you'll still be productive and/or entertained even if the internet is down. Make sure all your devices are fully charged, as outlets are still hard to come by in coach seats and even sometimes in airports. If you often have loose ends to tie up online before you board, get a subscription to Boingo or another airport wifi provider so you won't have to stress should your plane be sans wifi.
Credit: Tim Martin / Getty Images
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