Gulfstream G100/Astra SPX fleet

Fatigue

The middle G100 flies 1.5 hours for every landing. One in twenty lands every 0.9 hours or sooner, the most cycles for its time.

Hours per landing
1.5 : 1

Middle half 1.1–1.9 : 1Harder end: 5% at 0.9 : 1 or lessEasier end: 5% at 2.8 : 1 or more

Short hops
38%

Middle half 30–54%Harder end: 5% at 69% or moreEasier end: 5% at 16% or less

Leg length
400 nm

Middle half 269–628 nmLowest 5%: 203 nm or lessHighest 5%: 1,037 nm or more

Context, not graded: the tint marks the harder and easier end of the fleet.

Spread of trip lengths

All 51 G100s
20%
21%
12%
11%
15%
10%
6%
6%
<150
150–300
300–450
450–600
600–900
900–1,200
1,200–1,800
1,800+
Share of legs by length in nautical miles, 3,024 legs with a known distance from 1 Aug 2025 to 31 Jul 2026. The fleet's trips bunch at 150–300 nm; 41% were under 300 nm and 22% over 900 nm.

Source: The Aircraft Ledger