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US airline industry fleet concentration

As of the 2Q18, here is where we stood with the US airline industry in-service fleet. The top four airlines accounted for 79% of the fleet.  That is concentrated and clearly points to industry followers needing to be au fait with oligopoly economics to understand the...

Are aging fleets a problem?

With another two stories today about in-flight component failures (Southwest, Sichuan), we are being reminded that airplanes are vulnerable.  There is nothing quite like an airline/airplane scary story to catch people's attention. The industry safety statistics are...

The Single Aisle Segment – some perspective

The aerospace world is still trying to get their collective heads around the 220% number from the US Department of Commerce.  The impact is still being worked out as firms around the world find themselves dragged into a fight none wanted.  Except for one. Here's some...

Premium #303 – Old aircraft and the example of Delta Air Lines

Delta Air Lines is well known for its commitment to older aircraft.  Delta has a world-class MRO in Atlanta.  Even with such an MRO, it must be tough to keep that big fleet at work.  We decided to take a look at delays, and searched the US Department of Transportation...