<a href="https://en.wikipedia.org/wiki/Delta_Air_Lines" id="mwAU8" rel="mw:WikiLink" title="Delta Air Lines">Delta Air Lines</a> merges with <a href="https://en.wikipedia.org/wiki/Northwest_Airlines" id="mwAVA" rel="mw:WikiLink" title="Northwest Airlines">Northwest Airlines</a>, creating the world's largest airline and reducing the number of US legacy carriers to five.<sup about="#mwt103" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-19"}}' id="cite_ref-19" rel="dc:references" typeof="mw:Extension/ref"><a href="./October_29#cite_note-19" id="mwAVE" style="counter-reset: mw-Ref 19;"><span class="mw-reflink-text" id="mwAVI">[19]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-19"><cite about="#mwt100" class="citation news cs1" id="mwCDo"><a class="external text" href="https://www.reuters.com/article/idUSN29505779/" id="mwCDs" rel="mw:ExtLink nofollow">"Delta buys Northwest to create biggest airline"</a>. <i id="mwCDw">Reuters</i>. 30 October 2008<span class="reference-accessdate" id="mwCD0">. Retrieved <span class="nowrap" id="mwCD4">12 February</span> 2024</span>.</cite><span about="#mwt100" class="Z3988" id="mwCD8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Reuters&amp;rft.atitle=Delta+buys+Northwest+to+create+biggest+airline&amp;rft.date=2008-10-30&amp;rft_id=https%3A%2F%2Fwww.reuters.com%2Farticle%2FidUSN29505779%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOctober+29"></span></span>