N977RJ
Bombardier Learjet 45
United States
LEX (Blue Grass Airport, Lexington)

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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

1.7
Tons CO2 This Month
Below Average0.1× avg for Learjet 45
9.4
Tons CO2 YTD
Below Average0.3× avg for Learjet 45
80.0
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical1.1× avg for Learjet 45
62.7 tons CO2 in selected period

2026 pace: On track for approximately 28t CO₂ by year end · ↓ 60% vs full year 2025 (71t)

Flight Patterns & Behaviour

Emissions up 278% vs prior period, driven by Fort Worth → Lexington

60t
Period total CO₂
2.1t
Avg per flight
28
Flights
Moderately Concentrated3 routes account for 46% of total emissions
Highest emission route
Fort Worth → Lexington
11.6t CO₂ total · 0.0042t 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
278%
16t → 60t CO₂
Intensity
5%
0.0039 → 0.0041 t CO₂/nm
New Routes
20
60t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
8%
2.0t → 2.1t
Flight Count
20
8 → 28 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

26t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New5 Dec – 18 Dec 2025
Elevated activity period · 5 flights in 13 days vs baseline of 1
Contributed approximately 13t CO₂ to period total — 22% of period emissions
Aircraft
Medium
New5 Feb – 11 Feb 2026
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
Historical1 May – 21 May 2025
19-day inactive period
3.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical21 May – 4 Jun 2025
15-day inactive period
1.8t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical4 Jun – 28 Jun 2025
24-day inactive period
7.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 25, 20261.3t CO₂
KCAKAkron
KCPCWhiteville
482 miles56m
Mar 24, 20260.6t CO₂
KLEXLexington
KDAYDayton
130 miles24m
Mar 19, 20260.9t CO₂
KFTYAtlanta
KLEXLexington
294 miles45m
Feb 24, 20263.4t CO₂
KLEXLexington
KFTWFort Worth
802 miles2h 3m
View Details
Feb 11, 20260.6t CO₂
KAVPWilkes-Barre
KLHVLock Haven
89 miles23m
View Details
Feb 5, 20262.8t CO₂
KAFWFort Worth
KLEXLexington
794 miles1h 44m
View Details
Jan 22, 20262.6t CO₂
KFTWFort Worth
KLEXLexington
802 miles1h 36m
View Details
Jan 15, 20261.1t CO₂
KDPAChicago/West Chicago
KLEXLexington
329 miles50m
View Details
Dec 12, 20252.7t CO₂
KFTWFort Worth
KCMISavoy
709 miles1h 42m
View Details
Dec 12, 20253.6t CO₂
KLEXLexington
KFTWFort Worth
802 miles2h 10m
View Details
Dec 11, 20252.9t CO₂
KFTWFort Worth
KLEXLexington
802 miles1h 48m
View Details
Dec 11, 20250.7t CO₂
KFTWFort Worth
KIAHHouston
229 miles38m
View Details
Dec 11, 20253.3t CO₂
KLEXLexington
KFTWFort Worth
802 miles2h 1m
View Details
Nov 21, 20253.0t CO₂
KTEBTeterboro
KLEXLexington
594 miles1h 50m
View Details
Nov 5, 20252.8t CO₂
KBILBillings
KMKCKansas City
846 miles1h 45m
View Details
Oct 18, 20254.9t CO₂
KDVTPhoenix
KLEXLexington
1,561 miles2h 51m
View Details
Oct 10, 20251.8t CO₂
KAVPWilkes-Barre
KLEXLexington
524 miles1h 14m
View Details
Sep 30, 20252.6t CO₂
KAFWFort Worth
KLEXLexington
794 miles1h 37m
View Details
Aug 22, 20251.0t CO₂
KDPAChicago/West Chicago
KLEXLexington
329 miles49m
View Details
Aug 8, 20250.7t CO₂
KAVLAsheville
KLEXLexington
213 miles38m
View Details
Jul 29, 20251.0t CO₂
KJBRJonesboro
KLEXLexington
366 miles48m
View Details
Jul 16, 20252.6t CO₂
KAFWFort Worth
KLEXLexington
794 miles1h 36m
View Details
Jun 29, 20252.8t CO₂
KWVLWaterville
KLEXLexington
893 miles1h 44m
View Details
Jun 28, 20253.5t CO₂
KBLVBelleville
KWVLWaterville
1,118 miles2h 6m
View Details
Jun 28, 20250.7t CO₂
KJWNNashville
KCPSCahokia/St Louis
244 miles40m
View Details
Jun 4, 20251.8t CO₂
KROCRochester
KLEXLexington
505 miles1h 13m
View Details
May 21, 20253.6t CO₂
KAFWFort Worth
KLEXLexington
794 miles2h 9m
View Details
May 1, 20250.6t CO₂
KAVLAsheville
KLEXLexington
213 miles33m
View Details
Apr 13, 20252.1t CO₂
KJFKNew York
KLEXLexington
605 miles1h 22m
View Details
Mar 26, 20250.6t CO₂
KGLWGlasgow
KLEXLexington
101 miles15m
View Details
Mar 26, 20251.7t CO₂
KSATSan Antonio
KGNFGrenada
589 miles1h 10m
View Details
Feb 5, 20256.1t CO₂
KYKMYakima
KLEXLexington
1,909 miles3h 25m
View Details
Jan 29, 20250.6t CO₂
KTRIBlountville
KLEXLexington
162 miles30m
View Details
Jan 29, 20250.7t CO₂
KTTARaleigh
KTRIBlountville
195 miles40m
View Details
Jan 14, 20253.1t CO₂
KAFWFort Worth
KPWKChicago/Prospect Heights/Wheeling
813 miles1h 53m
View Details
Jan 13, 20251.0t CO₂
KLEXLexington
KGYYGary
288 miles49m
View Details
Top Airports by Emissions
Lexington

Lexington

KLEX

Total CO₂

47.7t

Total Visits

21

Avg CO₂/visit

2.3t

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

Fort Worth

KFTW

Total CO₂

19.3t

Total Visits

7

Avg CO₂/visit

2.8t

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

Fort Worth

KAFW

Total CO₂

11.6t

Total Visits

4

Avg CO₂/visit

2.9t

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

Waterville

KWVL

Total CO₂

6.3t

Total Visits

2

Avg CO₂/visit

3.2t

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

Phoenix

KDVT

Total CO₂

4.9t

Total Visits

1

Avg CO₂/visit

4.9t

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

Belleville

KBLV

Total CO₂

3.5t

Total Visits

1

Avg CO₂/visit

3.5t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
Fort Worth Lexington

KAFW to KLEX794 miles

Total Flights

4

Avg CO₂/Flight

2.9t

Total Emissions

11.6t CO₂

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

KLEX to KFTW803 miles

Total Flights

3

Avg CO₂/Flight

3.5t

Total Emissions

10.4t CO₂

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

KFTW to KLEX803 miles

Total Flights

2

Avg CO₂/Flight

2.7t

Total Emissions

5.5t CO₂

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

KDVT to KLEX1,562 miles

Total Flights

1

Avg CO₂/Flight

4.9t

Total Emissions

4.9t CO₂

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

KBLV to KWVL1,118 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
Teterboro Lexington

KTEB to KLEX595 miles

Total Flights

1

Avg CO₂/Flight

3.0t

Total Emissions

3t CO₂

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