N81SF
Bombardier Challenger 300
United States
IAD (Washington Dulles International Airport, Washington)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Emissions Overview

9.1
Tons CO2 This Month
Below Average0.2× avg for Challenger 300
29.2
Tons CO2 YTD
Below Average0.2× avg for Challenger 300
138.1
CO2 Tons Since 2025
Below Average0.2× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for Challenger 300
129.4 tons CO2 in selected period

2026 pace: On track for approximately 117t CO₂ by year end · ↑ 7% vs full year 2025 (109t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 9.7t CO₂/month

9.7t
CO₂/month
4.5t
Avg per flight
22
Distinct routes
Diverse Network3 routes account for 31% of total emissions
Highest emission route
Las Vegas → Cahokia/St Louis
14.7t CO₂ total · 0.0061t CO₂/nm

Seasonal pattern: Historically peaks in April · Current month is 19% above March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.4× country averageBelow 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
22
116t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
Prior data unavailable
Flight Count
Prior data unavailable

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

38t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New6 Apr – 12 Apr 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 8t CO₂ to period total — 7% of period emissions
Aircraft
Medium
New11 Jun – 17 Jun 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New23 Jul – 29 Jul 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 9t CO₂ to period total — 8% of period emissions
Aircraft
Medium
Historical30 Apr – 14 May 2025
14-day inactive period
13.3t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical21 May – 13 Jun 2025
23-day inactive period
3.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 1, 20264.3t CO₂
KCPSCahokia/St Louis
KAVOAvon Park
906 miles1h 52m
Feb 10, 20262.1t CO₂
KSTLSt Louis
KYIPDetroit
432 miles1h 1m
Feb 10, 20268.5t CO₂
MWCRGeorge Town
KSTLSt Louis
1,447 miles3h 28m
Feb 5, 20264.5t CO₂
KJFKNew York
KCPSCahokia/St Louis
882 miles1h 58m
View Details
Jan 17, 20261.2t CO₂
KORDChicago
KCPSCahokia/St Louis
264 miles41m
View Details
Jan 10, 20262.1t CO₂
KFTYAtlanta
KBLVBelleville
443 miles1h 1m
View Details
Nov 22, 20255.4t CO₂
KPHXPhoenix
KCPSCahokia/St Louis
1,267 miles2h 18m
View Details
Nov 19, 20253.9t CO₂
KIADWashington
KCPSCahokia/St Louis
684 miles1h 44m
View Details
Nov 14, 20254.8t CO₂
KMSPMinneapolis
KHPNWhite Plains
1,017 miles2h 3m
View Details
Nov 13, 20251.7t CO₂
KIADWashington
KHPNWhite Plains
246 miles52m
View Details
Oct 29, 20254.2t CO₂
KTEBTeterboro
KBLVBelleville
852 miles1h 51m
View Details
Oct 24, 20254.6t CO₂
KHPNWhite Plains
KCPSCahokia/St Louis
888 miles1h 60m
View Details
Oct 24, 20251.9t CO₂
KIADWashington
KHPNWhite Plains
246 miles56m
View Details
Oct 9, 20259.6t CO₂
KSUSSt Louis
KMRYMonterey
1,703 miles3h 54m
View Details
Sep 24, 20251.0t CO₂
KLAXLos Angeles
KMRYMonterey
266 miles36m
View Details
Sep 22, 20258.9t CO₂
KLASLas Vegas
KCPSCahokia/St Louis
1,379 miles3h 39m
View Details
Jul 29, 20251.0t CO₂
KMDWChicago
KAZOKalamazoo
117 miles21m
View Details
Jul 25, 20258.2t CO₂
CYVRVancouver
KSUSSt Louis
1,756 miles3h 23m
View Details
Jun 17, 20252.4t CO₂
KHQZMesquite
KCPSCahokia/St Louis
538 miles1h 8m
View Details
Jun 13, 20251.1t CO₂
KMDWChicago
KCPSCahokia/St Louis
256 miles39m
View Details
May 21, 20257.5t CO₂
KSFOSan Francisco
KCPSCahokia/St Louis
1,743 miles3h 6m
View Details
May 14, 20255.8t CO₂
KLASLas Vegas
KCPSCahokia/St Louis
1,379 miles2h 27m
View Details
Apr 30, 20253.7t CO₂
KIADWashington
KCPSCahokia/St Louis
684 miles1h 38m
View Details
Apr 23, 20259.8t CO₂
KAPADenver
KISMOrlando
1,544 miles3h 59m
View Details
Apr 10, 20252.5t CO₂
KAGSAugusta
KSARSparta
544 miles1h 11m
View Details
Apr 6, 20255.6t CO₂
KPHXPhoenix
KCPSCahokia/St Louis
1,267 miles2h 22m
View Details
Mar 15, 20253.6t CO₂
KBJCDenver
KCPSCahokia/St Louis
804 miles1h 36m
View Details
Jan 3, 20255.1t CO₂
KCPSCahokia/St Louis
KGNBGranby
847 miles2h 12m
View Details
Top Airports by Emissions
Cahokia/St Louis

Cahokia/St Louis

KCPS

Total CO₂

59.1t

Total Visits

13

Avg CO₂/visit

4.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
St Louis

St Louis

KSUS

Total CO₂

17.8t

Total Visits

2

Avg CO₂/visit

8.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Las Vegas

Las Vegas

KLAS

Total CO₂

14.7t

Total Visits

2

Avg CO₂/visit

7.4t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
White Plains

White Plains

KHPN

Total CO₂

13.0t

Total Visits

4

Avg CO₂/visit

3.3t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Washington

Washington

KIAD

Total CO₂

11.2t

Total Visits

4

Avg CO₂/visit

2.8t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Phoenix

Phoenix

KPHX

Total CO₂

11.0t

Total Visits

2

Avg CO₂/visit

5.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5
Top Routes by Emissions
Las Vegas Cahokia/St Louis

KLAS to KCPS1,380 miles

Total Flights

2

Avg CO₂/Flight

7.4t

Total Emissions

14.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Phoenix Cahokia/St Louis

KPHX to KCPS1,268 miles

Total Flights

2

Avg CO₂/Flight

5.5t

Total Emissions

11t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Denver Orlando

KAPA to KISM1,545 miles

Total Flights

1

Avg CO₂/Flight

9.8t

Total Emissions

9.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
St Louis Monterey

KSUS to KMRY1,705 miles

Total Flights

1

Avg CO₂/Flight

9.6t

Total Emissions

9.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
George Town St Louis

MWCR to KSTL1,448 miles

Total Flights

1

Avg CO₂/Flight

8.5t

Total Emissions

8.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Vancouver St Louis

CYVR to KSUS1,757 miles

Total Flights

1

Avg CO₂/Flight

8.2t

Total Emissions

8.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4