Challenger 300/350 vs Praetor 500: how the two fleets are really flown

Fatigue: Hours per landing

Hours per landing

Where the two fleets sit
Challenger 300/350
Praetor 500
1.1 : 12.2 : 1
Each dot is a percentile of its own fleet, from the 5th to the 95th; the shaded band is the middle half. The middle halves overlap from 1.4 : 1 to 1.6 : 1.

Source: The Aircraft Ledger