N989CG
Bombardier Learjet 31
Charter
United States
LNN (Willoughby Lost Nation Municipal Airport, Willoughby)

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

Emissions Overview

3.2
Tons CO2 This Month
Below Average0.6× avg for Learjet 31
29.1
Tons CO2 YTD
Above Average1.8× avg for Learjet 31
76.3
CO2 Tons Since 2025
Typical0.8× avg for Learjet 31
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Learjet 31
63.3 tons CO2 in selected period

2026 pace: On track for approximately 87t CO₂ by year end · ↑ 85% vs full year 2025 (47t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 5.3t CO₂/month

5.3t
CO₂/month
2.4t
Avg per flight
20
Distinct routes
Diverse Network3 routes account for 34% of total emissions
Highest emission route
Boca Raton → Willoughby
8.1t CO₂ total · 0.0044t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.2× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
>300%
13t → 58t CO₂
Intensity
12%
0.0036 → 0.0041 t CO₂/nm
New Routes
19
54t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
4%
2.5t → 2.4t
Flight Count
Prior data incomplete

Route and airport counts may include data processing artefacts.

Spikes

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

CO₂ Above Baseline

18t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New8 May – 14 May 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 6t CO₂ to period total — 10% of period emissions
Aircraft
Medium
New4 Jul – 10 Jul 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 3t CO₂ to period total — 6% of period emissions
Aircraft
Medium
New4 Sept – 19 Sept 2025
Elevated activity period · 3 flights in 15 days vs baseline of 1
Contributed approximately 5t CO₂ to period total — 9% of period emissions
Aircraft
Medium
Historical11 May – 3 Jun 2025
23-day inactive period
2.8t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical3 Jun – 24 Jun 2025
20-day inactive period
1.2t CO₂ in the 7 days following resumption
Recent Flights
Mar 24, 20261.3t CO₂
KLNNWilloughby
KHPNWhite Plains
400 miles1h 1m
Feb 27, 20261.9t CO₂
KFITFitchburg
KLNNWilloughby
497 miles1h 23m
Feb 27, 20261.4t CO₂
KLNNWilloughby
KFITFitchburg
497 miles1h 3m
Jan 29, 20263.3t CO₂
KDFWDallas-Ft Worth
KLNNWilloughby
1,049 miles2h 9m
View Details
Jan 27, 20263.9t CO₂
KPBIWest Palm Beach
KLNNWilloughby
1,038 miles2h 30m
View Details
Jan 21, 20260.6t CO₂
KMSNMadison
KLNNWilloughby
417 miles36m
View Details
Jan 21, 20263.2t CO₂
KBZNBozeman
KMSNMadison
1,087 miles2h 9m
View Details
Jan 20, 20263.5t CO₂
KFCMMinneapolis
KBZNBozeman
860 miles2h 19m
View Details
Jan 18, 20260.9t CO₂
KORDChicago
KLNNWilloughby
335 miles49m
View Details
Jan 3, 20264.1t CO₂
KBCTBoca Raton
KLNNWilloughby
1,059 miles2h 38m
View Details
Jan 3, 20263.1t CO₂
KDABDaytona Beach
KLNNWilloughby
863 miles2h 4m
View Details
Dec 23, 20254.1t CO₂
KBCTBoca Raton
KLNNWilloughby
1,059 miles2h 37m
View Details
Dec 13, 20253.0t CO₂
KDABDaytona Beach
KLNNWilloughby
863 miles2h 1m
View Details
Sep 19, 20253.2t CO₂
KTPATampa
KLNNWilloughby
949 miles2h 6m
View Details
Sep 14, 20251.2t CO₂
KTEBTeterboro
KLNNWilloughby
385 miles59m
View Details
Sep 10, 20250.9t CO₂
KMDWChicago
KLNNWilloughby
327 miles47m
View Details
Sep 9, 20253.0t CO₂
KHVNNew Haven
KLNNWilloughby
441 miles1h 60m
View Details
Aug 26, 20252.7t CO₂
KHVNNew Haven
KLNNWilloughby
441 miles1h 50m
View Details
Jul 10, 20250.5t CO₂
KDCRFort Wayne
KLNNWilloughby
189 miles28m
View Details
Jul 10, 20252.8t CO₂
KDABDaytona Beach
KFWAFort Wayne
847 miles1h 55m
View Details
Jun 24, 20251.2t CO₂
KTEBTeterboro
KLNNWilloughby
385 miles57m
View Details
Jun 3, 20252.8t CO₂
KLNNWilloughby
KDABDaytona Beach
863 miles1h 55m
View Details
May 11, 20251.5t CO₂
KRDURaleigh/Durham
KLNNWilloughby
425 miles1h 9m
View Details
May 8, 20254.2t CO₂
KPEFColorado Springs
KLNNWilloughby
1,242 miles2h 42m
View Details
Apr 25, 20253.7t CO₂
KPEFColorado Springs
KLNNWilloughby
1,242 miles2h 26m
View Details
Apr 20, 20250.5t CO₂
KCAKAkron
KLNNWilloughby
53 miles14m
View Details
Mar 17, 20252.7t CO₂
KSLNSalina
KLNNWilloughby
878 miles1h 49m
View Details
Mar 14, 20252.0t CO₂
KSLCSalt Lake City
KOLSNogales
650 miles1h 27m
View Details
Jan 2, 20253.7t CO₂
KLNKLincoln
KDABDaytona Beach
1,195 miles2h 24m
View Details
Top Airports by Emissions
Willoughby

Willoughby

KLNN

Total CO₂

48.6t

Total Visits

21

Avg CO₂/visit

2.3t

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

Daytona Beach

KDAB

Total CO₂

11.8t

Total Visits

4

Avg CO₂/visit

2.9t

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

Boca Raton

KBCT

Total CO₂

8.1t

Total Visits

2

Avg CO₂/visit

4.1t

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

Bozeman

KBZN

Total CO₂

6.8t

Total Visits

2

Avg CO₂/visit

3.4t

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

New Haven

KHVN

Total CO₂

5.7t

Total Visits

2

Avg CO₂/visit

2.8t

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

Colorado Springs

KPEF

Total CO₂

4.2t

Total Visits

1

Avg CO₂/visit

4.2t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
Boca Raton Willoughby

KBCT to KLNN1,060 miles

Total Flights

2

Avg CO₂/Flight

4.1t

Total Emissions

8.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Daytona Beach Willoughby

KDAB to KLNN864 miles

Total Flights

2

Avg CO₂/Flight

3.1t

Total Emissions

6.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
New Haven Willoughby

KHVN to KLNN441 miles

Total Flights

2

Avg CO₂/Flight

2.8t

Total Emissions

5.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Colorado Springs Willoughby

KPEF to KLNN1,243 miles

Total Flights

1

Avg CO₂/Flight

4.2t

Total Emissions

4.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
West Palm Beach Willoughby

KPBI to KLNN1,039 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KFCM to KBZN861 miles

Total Flights

1

Avg CO₂/Flight

3.5t

Total Emissions

3.5t CO₂

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