ml" class="external-link">list</a></span><span class="op">(</span><span class="va">arr_delay</span><span class="op">)</span><span class="op">]</span></span>
<span><span class="va">flights</span><span class="op">[</span>, <span class="fu">.</span><span class="op">(</span><span class="va">arr_delay</span>, <span class="va">dep_delay</span><span class="op">)</span><span class="op">]</span></span>
<span><span class="va">flights</span><span class="op">[</span>, <span class="fu">.</span><span class="op">(</span>d