Irregular operations pose a particularly difficult scheduling problem because the information necessary to execute these operations efficiently can not be known at the time the program is compiled.
The group defined "irregular operations" as times when passengers needed help.
Mr. Crites helped organize the workshop, called "Passenger Care During Irregular Operations".
Dealing with such "irregular operations" is crucial to JetBlue's reputation, even its survival.
THE airlines use the phrase "irregular operations" to refer to travel disruptions caused by blizzards, power failures and thunderstorms.
This has drained the pool of reserve pilots who are called upon during irregular operations, forcing American to cancel flights in its September and October schedule.
"During irregular operations," Mr. Buttick said, "when an aircraft has a mechanical problem, it is a good business decision to cancel a light flight to support a full flight".
[C6.] Chinese Brokerage Firm Collapses Southern Securities, a brokerage firm based in Shenzhen in Southern China, was taken over because of "illegal and irregular operations and disorderly management," the China Securities Regulatory Commission and the Shenzhen government said.
The heavily indebted firm was accused of "illegal and irregular operations, and disorderly management".Air safetyAirline passengers braced themselves for further inconvenience as security alerts led to the cancellation and delay of more flights to America.
"A child-free flight would be tough if we were to experience irregular operations, weather delays or cancellations," said Chris Mainz, a spokesman for Southwest, adding that the airline's open seating policy would not allow for a family section.
"We initiated this project because we realized that there are going to be times that unexpected increases in call volumes (e.g., sales or irregular operations) push customer demand slightly above our ability to answer calls in a time frame we're comfortable with," Ashley Dillon, a Southwest Airlines spokeswoman, wrote in an e-mail message.
