From Delta Air Lines policy for pet travel:[0]<p><pre><code>    What methods of transport does Delta Air Lines provide for my pet?
    
    * Travel in the passenger cabin.
    * Checked as baggage in pressurized and temperature controlled area of your aircraft.
    * Shipped as cargo in pressurized and temperature controlled area.
    ...
    Does my pet qualify for travel in the passenger cabin?
    
    Pets that meet the following qualifications can travel in the passenger cabin:
    ...
    * Only domesticated dogs, cats, and birds are allowed.
</code></pre>
Chicken = domesticated bird. But maybe they mean budgies etc ;)<p>[0] <a href="http:&#x2F;&#x2F;www.seatguru.com&#x2F;airlines&#x2F;Delta_Airlines&#x2F;pets.php" rel="nofollow">http:&#x2F;&#x2F;www.seatguru.com&#x2F;airlines&#x2F;Delta_Airlines&#x2F;pets.php</a>