N177JB
Bombardier Learjet 45
Charter
United States
BZN (Gallatin Field Airport, Bozeman)

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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

19.9
Tons CO2 This Month
Above Average1.7× avg for Learjet 45
21.0
Tons CO2 YTD
Below Average0.6× avg for Learjet 45
135.8
CO2 Tons Since 2025
Below Average0.6× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical1.2× avg for Learjet 45
125.1 tons CO2 in selected period

2026 pace: On track for approximately 84t CO₂ by year end · ↓ 27% vs full year 2025 (115t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 8.1t CO₂/month

8.1t
CO₂/month
2.6t
Avg per flight
27
Distinct routes
Moderately Concentrated3 routes account for 49% of total emissions
Highest emission route
Bozeman → Willoughby
25.1t CO₂ total · 0.0038t CO₂/nm
🇺🇸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
>300%
10t → 97t CO₂
Intensity
1%
0.0041 → 0.0042 t CO₂/nm
New Routes
27
97t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
25%
3.4t → 2.6t
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

41t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New16 Apr – 22 Apr 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New16 May – 7 Jun 2025
Elevated activity period · 4 flights in 22 days vs baseline of 3
Contributed approximately 8t CO₂ to period total — 8% of period emissions
Aircraft
Medium
New21 Aug – 20 Sept 2025
Elevated activity period · 7 flights in 30 days vs baseline of 4
Contributed approximately 24t CO₂ to period total — 24% of period emissions
Aircraft
Medium
Historical16 Apr – 30 Apr 2025
14-day inactive period
1.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical8 Jun – 18 Jul 2025
40-day inactive period
3.9t CO₂ in the 7 days following resumption
Recent Flights
Feb 27, 20261.9t CO₂
KJFKNew York
KLNNWilloughby
402 miles1h 17m
Feb 26, 20261.7t CO₂
KLNNWilloughby
KJFKNew York
402 miles1h 11m
Feb 16, 20261.1t CO₂
KLNNWilloughby
KGBRGreat Barrington
412 miles52m
Dec 30, 20250.8t CO₂
KLNNWilloughby
KBTLBattle Creek
202 miles43m
View Details
Dec 27, 20252.8t CO₂
KHOEHomerville
KLNNWilloughby
738 miles1h 44m
View Details
Dec 27, 20252.0t CO₂
KEOENewberry
KFMYFort Myers
533 miles1h 18m
View Details
Dec 27, 20251.1t CO₂
KIADWashington
KLNNWilloughby
281 miles51m
View Details
Dec 1, 20255.0t CO₂
KBZNBozeman
KLNNWilloughby
1,502 miles2h 51m
View Details
Nov 22, 20254.8t CO₂
KBZNBozeman
KLNNWilloughby
1,502 miles2h 48m
View Details
Nov 21, 20250.6t CO₂
KBILBillings
KBZNBozeman
126 miles26m
View Details
Nov 10, 20250.6t CO₂
KCAKAkron
KLNNWilloughby
53 miles18m
View Details
Nov 10, 20251.6t CO₂
KDPAChicago/West Chicago
KCAKAkron
359 miles1h 6m
View Details
Nov 5, 20253.9t CO₂
KPBIWest Palm Beach
KLNNWilloughby
1,038 miles2h 18m
View Details
Oct 28, 20255.1t CO₂
KBZNBozeman
KLNNWilloughby
1,502 miles2h 56m
View Details
Oct 17, 20255.0t CO₂
KBZNBozeman
KLNNWilloughby
1,502 miles2h 52m
View Details
Oct 16, 20252.4t CO₂
KCOSColorado Springs
KBZNBozeman
583 miles1h 33m
View Details
Oct 15, 20250.9t CO₂
KORDChicago
KLNNWilloughby
335 miles44m
View Details
Oct 15, 20251.7t CO₂
KLNNWilloughby
KORDChicago
335 miles1h 10m
View Details
Sep 20, 20250.6t CO₂
KLBELatrobe
KLNNWilloughby
142 miles25m
View Details
Sep 19, 20250.6t CO₂
KLBELatrobe
KLNNWilloughby
142 miles26m
View Details
Sep 11, 20255.2t CO₂
KBZNBozeman
KLNNWilloughby
1,502 miles2h 57m
View Details
Sep 10, 20252.4t CO₂
KLASLas Vegas
KBZNBozeman
701 miles1h 32m
View Details
Sep 6, 20253.7t CO₂
KPBIWest Palm Beach
KLNNWilloughby
1,038 miles2h 11m
View Details
Aug 29, 20257.2t CO₂
KPAEEverett
KLNNWilloughby
2,024 miles4h 0m
View Details
Aug 27, 20252.0t CO₂
KBZNBozeman
KPAEEverett
545 miles1h 20m
View Details
Aug 26, 20252.5t CO₂
KFSDSioux Falls
KLNNWilloughby
789 miles1h 33m
View Details
Jul 18, 20253.9t CO₂
KPBIWest Palm Beach
KLNNWilloughby
1,038 miles2h 18m
View Details
Jun 8, 20253.7t CO₂
KPBIWest Palm Beach
KLNNWilloughby
1,038 miles2h 12m
View Details
Jun 7, 20252.1t CO₂
KNEWNew Orleans
KPBIWest Palm Beach
646 miles1h 24m
View Details
Jun 7, 20254.9t CO₂
KLASLas Vegas
KNEWNew Orleans
1,508 miles2h 50m
View Details
Jun 7, 20255.1t CO₂
KDALDallas
KLASLas Vegas
1,064 miles2h 55m
View Details
May 28, 20250.6t CO₂
CYPTPelee Island
KLNNWilloughby
66 miles11m
View Details
May 22, 20250.9t CO₂
KIADWashington
KLNNWilloughby
281 miles44m
View Details
May 21, 20251.3t CO₂
KTEBTeterboro
KLNNWilloughby
385 miles57m
View Details
May 10, 20251.5t CO₂
KJFKNew York
KLNNWilloughby
402 miles1h 5m
View Details
Apr 30, 20251.5t CO₂
KTEBTeterboro
KLNNWilloughby
385 miles1h 3m
View Details
Apr 16, 20250.8t CO₂
KPBIWest Palm Beach
KSGJSt Augustine
238 miles43m
View Details
Apr 16, 20253.4t CO₂
KAUSAustin
KPBIWest Palm Beach
1,093 miles2h 3m
View Details
Mar 24, 20251.9t CO₂
KMSPMinneapolis
KLNNWilloughby
633 miles1h 17m
View Details
Jan 4, 20252.8t CO₂
KBBWBroken Bow
KLNNWilloughby
941 miles1h 44m
View Details
Jan 3, 20255.4t CO₂
KLNNWilloughby
KGNBGranby
1,280 miles3h 6m
View Details
Top Airports by Emissions
Willoughby

Willoughby

KLNN

Total CO₂

69.5t

Total Visits

27

Avg CO₂/visit

2.6t

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

Bozeman

KBZN

Total CO₂

32.6t

Total Visits

9

Avg CO₂/visit

3.6t

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

West Palm Beach

KPBI

Total CO₂

21.6t

Total Visits

7

Avg CO₂/visit

3.1t

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

Las Vegas

KLAS

Total CO₂

12.4t

Total Visits

3

Avg CO₂/visit

4.1t

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

Everett

KPAE

Total CO₂

9.2t

Total Visits

2

Avg CO₂/visit

4.6t

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

New Orleans

KNEW

Total CO₂

7.1t

Total Visits

2

Avg CO₂/visit

3.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5
Top Routes by Emissions
Bozeman Willoughby

KBZN to KLNN1,503 miles

Total Flights

5

Avg CO₂/Flight

5.0t

Total Emissions

25.1t CO₂

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

KPBI to KLNN1,039 miles

Total Flights

4

Avg CO₂/Flight

3.8t

Total Emissions

15.2t CO₂

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

KPAE to KLNN2,025 miles

Total Flights

1

Avg CO₂/Flight

7.2t

Total Emissions

7.2t CO₂

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

KDAL to KLAS1,064 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

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

KLAS to KNEW1,509 miles

Total Flights

1

Avg CO₂/Flight

4.9t

Total Emissions

4.9t CO₂

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

KJFK to KLNN403 miles

Total Flights

2

Avg CO₂/Flight

1.7t

Total Emissions

3.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5