The Zulu Blog

Commercial airline scheduling with Bryntum

Zulu Airline Systems provides a cloud-native airline schedule planning SaaS product to commercial airlines for organizing thousands of flights into optimized lines of flying and for actively managing the regular changes that happen.  The ability of the Bryntum scheduler https://bryntum.com to render such a large number of flights layered with the flight and ground time…
Read More

Planning the New Normal for Flexibility and Lower Costs

Planning Now for a More Fluid Future Why a More Fluid Future? After “events” like SARS-1 or Sept 11, people could get back to making future plans in much the same way they had before. In contrast, today’s pandemic has an uncertain timeframe and major long term effects. With the uncertainty in market demand, competition…
Read More

Good Data and Good Decisions

The first thing airline schedulers tell us they need to make decisions is “good data” to know which changes are better than others.  They would like to have: profitability data by flight segment, current booking data from the reservations system (daily update), and forecast revenue for each flight. Some schedulers also mention that they would…
Read More

Interpreting Crisis “Weiji”

A popular interpretation of the Chinese word for crisis, “Weiji,” is a combination of danger and opportunity.  Politicians from John F. Kennedy, who experienced a nuclear missile crisis, to Al Gore in his description of global climate change have used this meme to help communicate the situation and encourage the right actions.  However, most language…
Read More

Is Machine Learning a Game-changer for Airlines?

Why has airline forecasting been so difficult?  Airlines have worked for a generation with explicitly programmed optimizers and forecast algorithms to obtain some measure of predictability in their planning. On paper, optimization appears to be a panacea, if you have very few constraints and a fairly simple business model. In practice, the complexity of operational…
Read More

What Happens When Airports are Congested?

Many major airports around the world are operating at or well beyond their design capacity at peak periods of each day. With the robust projections in air travel demand, this constraint is affecting on-time performance and growth for airlines as well as customer satisfaction with airport services such as check-in, security, immigration, baggage handling, etc.…
Read More