In addition to early arrivals from Virgin Atlantic (glass-bottomed planes) and WestJet (all-animals welcome; no carriers needed), these April Fools antics from airlines are making the rounds:

Delta Air Lines has a new double-decker arm rest available for those in the middle seat.

Virgin America has a new Main Canine Select class offering intriguing perks, such as in-flight fire-hydrants designed by Frank Gehry.

And JetBlue has announced three new – unusual – destinations.

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