N257QS
•Bombardier Challenger 600
CharterUnited States
MDW (Chicago Midway International Airport, Chicago)
Add to
Watchlist
Pro
Download
Report
Pro
Bookmark
Aircraft
Free
Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025May 2025 – Apr 2026·vs May 2024 – May 2025
Emissions Overview
136.7
Tons CO2 This Month
Above Average5.7× avg for Challenger 600
277.9
Tons CO2 YTD
Above Average3.7× avg for Challenger 600
1,877.4
CO2 Tons Since 2025
Above Average4.7× avg for Challenger 600
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Challenger 600
1,446.9 tons CO2 in selected period
2026 pace: On track for approximately 834t CO₂ by year end · ↓ 48% vs full year 2025 (1,600t)
Flight Patterns & Behaviour
Activity broadly consistent with prior period — averaging 0.5t CO₂/month
0.5t
CO₂/month
2.0t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Chicago → Washington
2.9t CO₂ total · 0.0058t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·5.2× country averageAbove Average
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
3
6t 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