N450BC
•Bombardier Learjet 45
CharterUnited States
BFI (King County International Airport, Seattle)
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Viewing period:
Compared to: preceding 12 months · Jul 2024 – Jul 2025Jul 2025 – Jun 2026·vs Jul 2024 – Jul 2025
Emissions Overview
26.4
Tons CO2 This Month
Typical1.5× avg for Learjet 45
208.1
Tons CO2 YTD
Above Average2.9× avg for Learjet 45
515.3
CO2 Tons Since 2025
Above Average2.1× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmAbove Average2.0× avg for Learjet 45
468.9 tons CO2 in selected period
2026 pace: On track for approximately 416t CO₂ by year end · ↑ 35% vs full year 2025 (307t)
Flight Patterns & Behaviour
Activity broadly consistent with prior period — averaging 0.8t CO₂/month
0.8t
CO₂/month
3.3t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Seattle → Anchorage
5.3t CO₂ total · 0.0042t CO₂/nm
Seasonal pattern: Historically peaks in August · Current month is 9% below June 2025
🇺🇸United States·16203 aircraft tracked·Ranked 1st by emissions among 109 countries·1.2× country averageTypical
Subject to FAA oversight — no mandatory carbon reporting for private aviation
What's ChangedCompared to prior equivalent period
Emissions
–
Prior data unavailable
Intensity
–
Prior data unavailable
New Routes
1
5t CO₂ combined
Dropped Routes
0
–
Avg per Flight
–
Prior data unavailable
Flight Count
–
Prior data unavailable
Route and airport counts may include data processing artefacts.
Activity Signals
Recent Flights