Was the Iran war the final blow in the collapse of Spirit Airlines?

Spirit Airlines, a budget carrier in the United States, has begun winding down operations, cancelling all flights, after talks with the Trump administration to secure a $500m bailout failed. Experts say a spike in aviation fuel prices from the US-Israel war on Iran dealt the final blow to the struggling airline that pioneered the ultralow-cost carrier model.

The airline’s shutdown after 34 years...