From the last update announcement...

[schlaf]

"On Statistics page ASK, RPK, ATK & RTK stats show now last 30 days average instead of last 2 weeks (more logical this way). Load Factor stat, based on those metrics, uses the same timespan too."

What is:
ASK, RPK, ATK AND RTK?

[Tha_Ape]

Available seat / kilometer
Revenue / passenger / kilometer
and then the same with tons instead of seats and pax.