Oil Plunge Sparks a Relief Rally in Airline Stocks

Friday morning brought the kind of headline that moves markets before most investors have finished their coffee. Iran declared the Strait of Hormuz open to commercial shipping, prompting crude oil to plunge roughly 11%. U.S. airline stocks, as a result, jumped between 4% and 6% in premarket trading.

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For a sector that’s spent weeks getting battered by fuel costs, it feels to me like the clouds are parting.

This week also brought news that United Airlines CEO Scott Kirby pitched the White House on a potential merger with American Airlines, while Spirit Airlines may be days away from liquidation.

How Shocks Reshape the Airline Industry

First, let’s talk about airline industry M&A, a topic I’ve discussed many times before.

The history of the U.S. airline industry is really a history of consolidation driven by crisis. The pattern has been remarkably consistent. Historically, when an external shock has hit—a recession, a war, an energy spike—the weakest carriers have folded or been acquired, while the strongest have emerged leaner and more profitable.

After deregulation in 1978, fare wars and overcapacity crushed margins and triggered the first wave of mergers through the 1980s. Later, the September 11 attacks killed TWA outright and forced US Airways into a merger with America West. The 2008 financial crisis gave us Delta-Northwest, United-Continental and Southwest-AirTran.

By 2013, when American merged with US Airways, the modern “Big Three” structure was firmly in place. Today’s five largest carriers—Delta, American, United, Southwest and Alaska—have absorbed more than 40 smaller since 1960.

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Now we’re starting to see it again as the war in Iran and closure of the Strait of Hormuz has sent jet fuel prices through the roof.

Spirit Airlines, already in Chapter 11 for the second time in under a year, is reportedly on the verge of liquidation. Its previous merger attempts—first with JetBlue, then with Frontier—both fell apart. The low-cost carrier, already on shaky ground, simply couldn’t absorb fuel at these prices.

Read more: Jet Fuel Has Doubled. Here’s Why I’m Still Bullish on Airlines