Daily Aviation Briefing · 4 May 2026 · 5 min

Spirit's Collapse, $111 Oil & JetBlue's Fort Lauderdale Surge | Ep. 1

Spirit Airlines is gone, Brent crude has topped $111 a barrel, and JetBlue just launched 11 new routes to fill the void — aviation's fuel crisis is sorting winners from losers fast. Today's briefing covers Spirit's fatal budget miscalculation, the Strait of Hormuz fuel shock, UK slot rule changes, and O'Hare's $1.45B expansion defying the chaos.

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Spirit's Collapse, $111 Oil & JetBlue's Fort Lauderdale Surge | Ep. 1

Audio is available on Spreaker — see link below.

What's covered

Spirit's Fatal Fuel Miscalculation

Spirit Airlines budgeted two dollars and twenty-four cents per gallon of jet fuel. They were paying four dollars and fifty-one cents.

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Iran War Fuel Shock

The fuel story isn't just a Spirit story. It's a global story with a single source: the Iran conflict and the effective closure of the Strait of Hormuz.

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UK Slot Rules, Jet Fuel Scramble

The UK government moved quickly. New rules now allow airlines to merge flights and temporarily return slots without losing them.

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JetBlue Seizes Spirit's Routes

JetBlue's response to Spirit's collapse was immediate. Eleven new routes launching from Fort Lauderdale starting July ninth, six of them entirely new markets.

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O'Hare Builds While Airlines Cut

One counterintuitive data point worth holding onto: Chicago O'Hare just hit a vertical construction milestone on its new Concourse D. Nineteen gates, five hundred and eighty thousand square feet, a one point four five billion dollar investment in narrow-body capacity.

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What to Watch Next

The pressure points to monitor are straightforward. Watch whether any other highly leveraged budget carriers start showing Spirit-like margin stress.

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