N945EJ
Bombardier Learjet 45
United States
NTR (Del Norte International Airport, Monterrey)

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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

3.1
Tons CO2 This Month
Below Average0.3× avg for Learjet 45
3.8
Tons CO2 YTD
Below Average0.1× avg for Learjet 45
42.4
CO2 Tons Since 2025
Below Average0.2× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for Learjet 45
36.7 tons CO2 in selected period

2026 pace: On track for approximately 11t CO₂ by year end · ↓ 70% vs full year 2025 (39t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.9t CO₂/month

2.9t
CO₂/month
1.8t
Avg per flight
14
Distinct routes
Moderately Concentrated3 routes account for 56% of total emissions
Highest emission route
San Diego → Laredo
8.7t CO₂ total · 0.0091t 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
>300%
5t → 32t CO₂
Intensity
13%
0.0068 → 0.0076 t CO₂/nm
New Routes
10
26t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
72%
1.0t → 1.8t
Flight Count
13
5 → 18 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

50t

Signals Detected

5

Highest Severity

High

Emissions
Medium
New2 Aug 2025 · San Diego → Laredo
Highest single-flight emission event (San Diego → Laredo)
Single flight: 8.7t CO₂ — 27% of period emissions
Aircraft
Medium
New12 May – 18 May 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 2% of period emissions
Aircraft
High
New27 Jul – 9 Aug 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 16t CO₂ to period total — 50% of period emissions
Aircraft
Medium
New10 Sept – 21 Oct 2025
Elevated activity period · 3 flights in 41 days vs baseline of 3
Contributed approximately 9t CO₂ to period total — 27% of period emissions
Aircraft
Medium
Historical12 May – 2 Aug 2025
82-day inactive period
16.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 2, 20260.6t CO₂
MM37
KMFEMc Allen
251 miles36m
Jan 28, 20260.6t CO₂
MMANMonterrey
MM37
125 miles21m
Jan 22, 20260.6t CO₂
MMANMonterrey
MM37
125 miles20m
Dec 17, 20250.6t CO₂
MMMYMonterrey
MM37
132 miles21m
View Details
Dec 15, 20251.3t CO₂
MMMYMonterrey
KHOUHouston
398 miles56m
View Details
Dec 10, 20250.6t CO₂
MMMYMonterrey
MM37
132 miles23m
View Details
Dec 4, 20250.6t CO₂
MM37
MMMYMonterrey
132 miles26m
View Details
Nov 11, 20250.6t CO₂
MMMYMonterrey
MM37
132 miles22m
View Details
Nov 11, 20250.6t CO₂
MM37
MMMYMonterrey
132 miles30m
View Details
Oct 21, 20250.6t CO₂
MMANMonterrey
NaN miles22m
View Details
Oct 7, 20254.8t CO₂
MMIOSaltillo
MMTOToluca
438 miles2h 45m
View Details
Oct 2, 20251.1t CO₂
KAUSAustin
MMIOSaltillo
377 miles52m
View Details
Sep 16, 20252.8t CO₂
KLASLas Vegas
NaN miles1h 43m
View Details
Aug 4, 20251.8t CO₂
KSANSan Diego
NaN miles1h 12m
View Details
Aug 3, 20254.3t CO₂
KSATSan Antonio
KSANSan Diego
1,127 miles2h 30m
View Details
Aug 3, 20251.2t CO₂
KCOTCotulla
KSATSan Antonio
87 miles55m
View Details
Aug 2, 20258.7t CO₂
KSDMSan Diego
KLRDLaredo
1,101 miles4h 49m
View Details
May 12, 20250.6t CO₂
MMIOSaltillo
MMMVMonclova
103 miles12m
View Details
Apr 19, 20252.2t CO₂
KLASLas Vegas
NaN miles1h 27m
View Details
Apr 17, 20251.1t CO₂
KBURBurbank
KLASLas Vegas
223 miles52m
View Details
Apr 3, 20250.6t CO₂
MMANMonterrey
MM37
125 miles17m
View Details
Jan 3, 20250.6t CO₂
KTMEHouston
MMMVMonclova
391 miles36m
View Details
Jan 3, 20250.6t CO₂
KRFGRefugio
KTMEHouston
135 miles18m
View Details
Top Airports by Emissions
San Diego

San Diego

KSDM

Total CO₂

8.7t

Total Visits

1

Avg CO₂/visit

8.7t

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

Laredo

KLRD

Total CO₂

8.7t

Total Visits

1

Avg CO₂/visit

8.7t

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

Saltillo

MMIO

Total CO₂

6.5t

Total Visits

3

Avg CO₂/visit

2.2t

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

San Diego

KSAN

Total CO₂

6.1t

Total Visits

2

Avg CO₂/visit

3.0t

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

San Antonio

KSAT

Total CO₂

5.5t

Total Visits

2

Avg CO₂/visit

2.8t

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

Toluca

MMTO

Total CO₂

4.8t

Total Visits

1

Avg CO₂/visit

4.8t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
San Diego Laredo

KSDM to KLRD1,102 miles

Total Flights

1

Avg CO₂/Flight

8.7t

Total Emissions

8.7t CO₂

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

MMIO to MMTO438 miles

Total Flights

1

Avg CO₂/Flight

4.8t

Total Emissions

4.8t CO₂

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

KSAT to KSAN1,128 miles

Total Flights

1

Avg CO₂/Flight

4.3t

Total Emissions

4.3t CO₂

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

MMMY to MM37132 miles

Total Flights

3

Avg CO₂/Flight

0.6t

Total Emissions

1.7t CO₂

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

MMMY to KHOU399 miles

Total Flights

1

Avg CO₂/Flight

1.3t

Total Emissions

1.3t CO₂

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

KCOT to KSAT87 miles

Total Flights

1

Avg CO₂/Flight

1.2t

Total Emissions

1.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2