Fuel burn remains a top priority for airlines. The metric is ASM/Gallon (or litre outside the US). Airlines want the numerator as high as possible and the denominator as low as possible. This is where upsizing aircraft becomes so attractive.…
As readers may have noticed from our posts last week, we’ve been analyzing a large set of ADS-B flight data—over 1 million flights—to understand airline operational dynamics better. One key focus has been Total Ground Time (TGT) across narrowbody aircraft…
The latest Skailark data through 2Q25 has been published and reveals evolving fuel burn numbers. The big surprise is the C919. There is a fascinating history surrounding the C919; more information on this story can be found here. The thing…
The competition between these two families is intense. The recent LOT choice of the A220 over the E2 was odd since the airline already has some E2s in service, and was the launch customer for the first EJet. It was…
Yesterday, we highlighted the significant impact of fuel costs on US airlines. Now, we want to delve deeper and present the data in a fresh light, if you will. The model is a one-pager and an easy read. The menu…
One of our favorite US DOT datasets was updated for 1Q25, allowing us to update several models. One we’d like to share here monitors 737 MAX operations by US airlines. The US is MAX’s largest market, with Southwest Airlines as…