N999LB
Bombardier Learjet 45
United States
BCT (Boca Raton Airport, Boca Raton)

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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 increasing vs prior period

Emissions Overview

0.6
Tons CO2 This Month
Below Average0.1× avg for Learjet 45
11.7
Tons CO2 YTD
Below Average0.3× avg for Learjet 45
33.0
CO2 Tons Since 2025
Below Average0.2× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Learjet 45
23.4 tons CO2 in selected period

2026 pace: On track for approximately 35t CO₂ by year end · ↑ 65% vs full year 2025 (21t)

Flight Patterns & Behaviour

Emissions up 158% vs prior period, driven by Provo → Cincinnati

23t
Period total CO₂
2.6t
Avg per flight
9
Flights
Highly Concentrated3 routes account for 84% of total emissions
Highest emission route
Provo → Cincinnati
9.7t CO₂ total · 0.0038t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.1× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
158%
9t → 23t CO₂
Intensity
6%
0.0044 → 0.0041 t CO₂/nm
New Routes
4
18t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
14%
3.0t → 2.6t
Flight Count
6
3 → 9 flights

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
New22 May – 28 May 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 9% of period emissions
Aircraft
Medium
New15 Aug – 4 Sept 2025
Elevated activity period · 2 flights in 20 days vs baseline of 1
Contributed approximately 7t CO₂ to period total — 29% of period emissions
Aircraft
Medium
New13 Dec 2025 – 4 Jan 2026
Elevated activity period · 1 flights in 22 days vs baseline of 1
Contributed approximately 3t CO₂ to period total — 13% of period emissions
Aircraft
Medium
Historical22 May – 21 Aug 2025
91-day inactive period
3.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical4 Sept – 19 Dec 2025
105-day inactive period
3.1t CO₂ in the 7 days following resumption
Recent Flights
Mar 11, 20260.6t CO₂
KBCTBoca Raton
KMLBMelbourne
123 miles32m
Feb 12, 20260.6t CO₂
KBCTBoca Raton
KSUAStuart
56 miles16m
Feb 12, 20260.6t CO₂
KBCTBoca Raton
KMLBMelbourne
124 miles27m
Feb 1, 20265.0t CO₂
KPVUProvo
KLUKCincinnati
1,448 miles2h 52m
View Details
Jan 4, 20264.7t CO₂
KPVUProvo
KLUKCincinnati
1,448 miles2h 43m
View Details
Dec 19, 20253.1t CO₂
KSUAStuart
KLUKCincinnati
858 miles1h 52m
View Details
Sep 4, 20253.4t CO₂
KBCTBoca Raton
KLUKCincinnati
913 miles2h 3m
View Details
Aug 21, 20253.2t CO₂
KBCTBoca Raton
KLUKCincinnati
913 miles1h 56m
View Details
May 22, 20252.0t CO₂
KTEBTeterboro
KLUKCincinnati
561 miles1h 20m
View Details
Feb 27, 20252.2t CO₂
KTEBTeterboro
KLUKCincinnati
561 miles1h 25m
View Details
Feb 4, 20253.2t CO₂
KSUAStuart
KLUKCincinnati
858 miles1h 57m
View Details
Jan 8, 20253.6t CO₂
KPMPPompano Beach
KLUKCincinnati
922 miles2h 7m
View Details
Top Airports by Emissions
Cincinnati

Cincinnati

KLUK

Total CO₂

21.4t

Total Visits

6

Avg CO₂/visit

3.6t

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

Provo

KPVU

Total CO₂

9.7t

Total Visits

2

Avg CO₂/visit

4.8t

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

Boca Raton

KBCT

Total CO₂

8.4t

Total Visits

5

Avg CO₂/visit

1.7t

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

Stuart

KSUA

Total CO₂

3.7t

Total Visits

2

Avg CO₂/visit

1.8t

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

Teterboro

KTEB

Total CO₂

2.0t

Total Visits

1

Avg CO₂/visit

2.0t

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

Melbourne

KMLB

Total CO₂

1.2t

Total Visits

2

Avg CO₂/visit

0.6t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Top Routes by Emissions
Provo Cincinnati

KPVU to KLUK1,449 miles

Total Flights

2

Avg CO₂/Flight

4.8t

Total Emissions

9.7t CO₂

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

KBCT to KLUK914 miles

Total Flights

2

Avg CO₂/Flight

3.3t

Total Emissions

6.6t CO₂

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

KSUA to KLUK859 miles

Total Flights

1

Avg CO₂/Flight

3.1t

Total Emissions

3.1t CO₂

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

KTEB to KLUK561 miles

Total Flights

1

Avg CO₂/Flight

2.0t

Total Emissions

2t CO₂

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

KBCT to KMLB124 miles

Total Flights

2

Avg CO₂/Flight

0.6t

Total Emissions

1.2t CO₂

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

KBCT to KSUA56 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

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