The competition between CFM and Pratt & Whitney is furious. They compete on every order. Their respective engines, the LEAP and GTF, are at the cutting edge of aero engine technology. We have been tracking this competition for several years
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The US DoT is the only public data source that clues us into comparative performance. That’s the good news. The bad news is that some airlines are careless (to be too polite) about their data filings. We’ve reported on this before, calling out Alaska and Southwest. There is, of course, another responsible party here—namely, the DoT, whose data audits are woeful. Dirty data is everyone’s problem.
