irregular

Airlines have made “substantial investments” in their “irregular operation” systems, or tech platforms meant to manage delays and cancellations, analysts at Deutsche Bank noted.

That 4% amounts to about 100 flights, which isn’t unlike weather or irregular operational events, it reported.

These symptoms can include anxiety, mood swings, brain fog, hot flushes and irregular periods.

“To put that in perspective, a 4% reduction in key markets represents approximately 100 flights, a level we routinely manage during standard weather or irregular operational events,” the memo said.

As a system sale delivers a large amount of revenue in one shot, this can result in so-called lumpiness, the phenomenon in which revenue arrives in large chunks at irregular times.