Zweitlogo der <a href="https://de.wikipedia.org/wiki/Delta_Airlines" class="extiw" title="de:Delta Airlines">Delta Airlines</a> für <a href="https://de.wikipedia.org/wiki/Skyteam" class="extiw" title="de:Skyteam">Skyteam</a>
Unknown author<span style="display: none;">Unknown author</span>
2011
Own work  using: <a rel="nofollow" class="external free" href="http://www.skyteam.com/">http://www.skyteam.com/</a>