N289NX
Bombardier Learjet 45
United States
UGN (Waukegan Regional Airport, Chicago/Waukegan)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Learjet 45
7.3
Tons CO2 YTD
Below Average0.2× avg for Learjet 45
38.9
CO2 Tons Since 2025
Below Average0.2× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Learjet 45
28.9 tons CO2 in selected period

2026 pace: On track for approximately 22t CO₂ by year end · ↓ 31% vs full year 2025 (32t)

Flight Patterns & Behaviour

Emissions up 147% vs prior period, driven by Laredo → Chicago/Prospect Heights/Wheeling

26t
Period total CO₂
1.3t
Avg per flight
20
Flights
Moderately Concentrated3 routes account for 44% of total emissions
Highest emission route
Laredo → Chicago/Prospect Heights/Wheeling
4.6t CO₂ total · 0.0044t 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
147%
11t → 26t CO₂
Intensity
0.0051 → 0.0051 t CO₂/nm
New Routes
16
24t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
26%
1.8t → 1.3t
Flight Count
14
6 → 20 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

14t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New2 Oct – 8 Oct 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 5% of period emissions
Aircraft
Medium
New22 Oct – 5 Nov 2025
Elevated activity period · 5 flights in 14 days vs baseline of 2
Contributed approximately 4t CO₂ to period total — 17% of period emissions
Aircraft
Medium
New7 Jan – 13 Jan 2026
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 2% of period emissions
Aircraft
Medium
Historical16 Sept – 7 Oct 2025
21-day inactive period
3.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical8 Oct – 28 Oct 2025
20-day inactive period
4.3t CO₂ in the 7 days following resumption
Recent Flights
Jan 13, 20260.6t CO₂
KUGNChicago/Waukegan
KENWKenosha
13 miles9m
Jan 13, 20264.6t CO₂
KLRDLaredo
KPWKChicago/Prospect Heights/Wheeling
1,198 miles2h 38m
Jan 12, 20260.6t CO₂
KENWKenosha
KPWKChicago/Prospect Heights/Wheeling
33 miles11m
Jan 6, 20261.5t CO₂
KENWKenosha
KTBNFort Leonard Wood
402 miles1h 5m
View Details
Nov 5, 20250.6t CO₂
KUGNChicago/Waukegan
KENWKenosha
13 miles8m
View Details
Nov 5, 20252.0t CO₂
KJWNNashville
KPWKChicago/Prospect Heights/Wheeling
414 miles1h 20m
View Details
Nov 1, 20250.6t CO₂
KJWNNashville
KTYSKnoxville
164 miles30m
View Details
Oct 31, 20250.6t CO₂
KJWNNashville
KMSLMuscle Shoals
107 miles16m
View Details
Oct 28, 20251.3t CO₂
KBAZNew Braunfels
KLBBLubbock
352 miles56m
View Details
Oct 28, 20251.1t CO₂
KTRLTerrell
KBAZNew Braunfels
233 miles51m
View Details
Oct 28, 20250.8t CO₂
KBPTBeaumont/Port Arthur
KACTWaco
222 miles43m
View Details
Oct 8, 20250.6t CO₂
KIXDNew Century
KLNKLincoln
171 miles31m
View Details
Oct 8, 20251.3t CO₂
KMEMMemphis
KIXDNew Century
376 miles57m
View Details
Oct 7, 20250.7t CO₂
KSGFSpringfield
KMEMMemphis
243 miles39m
View Details
Oct 7, 20250.6t CO₂
KFYVFayetteville
KSGFSpringfield
96 miles19m
View Details
Sep 16, 20253.1t CO₂
KFTYAtlanta
KENWKenosha
636 miles1h 53m
View Details
Sep 6, 20250.6t CO₂
KSLRSulphur Springs
KOSAMount Pleasant
38 miles6m
View Details
Sep 6, 20250.6t CO₂
KBAZNew Braunfels
KETNEastland
193 miles36m
View Details
Aug 27, 20250.6t CO₂
KUGNChicago/Waukegan
KENWKenosha
13 miles11m
View Details
Aug 27, 20254.1t CO₂
KSATSan Antonio
KPWKChicago/Prospect Heights/Wheeling
1,049 miles2h 23m
View Details
Mar 13, 20250.6t CO₂
KUGNChicago/Waukegan
KENWKenosha
13 miles7m
View Details
Mar 13, 20254.0t CO₂
KBAZNew Braunfels
KPWKChicago/Prospect Heights/Wheeling
1,026 miles2h 23m
View Details
Mar 11, 20250.6t CO₂
KTRLTerrell
KJWYMidlothian/Waxahachie
41 miles11m
View Details
Feb 4, 20252.9t CO₂
KTRLTerrell
KPWKChicago/Prospect Heights/Wheeling
794 miles1h 48m
View Details
Jan 22, 20251.9t CO₂
KPWKChicago/Prospect Heights/Wheeling
KJLNJoplin
490 miles1h 17m
View Details
Jan 21, 20250.6t CO₂
KENWKenosha
KPWKChicago/Prospect Heights/Wheeling
33 miles18m
View Details
Top Airports by Emissions
Chicago/Prospect Heights/Wheeling

Chicago/Prospect Heights/Wheeling

KPWK

Total CO₂

11.2t

Total Visits

4

Avg CO₂/visit

2.8t

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

Kenosha

KENW

Total CO₂

6.9t

Total Visits

6

Avg CO₂/visit

1.2t

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

Laredo

KLRD

Total CO₂

4.6t

Total Visits

1

Avg CO₂/visit

4.6t

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

San Antonio

KSAT

Total CO₂

4.1t

Total Visits

1

Avg CO₂/visit

4.1t

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

Nashville

KJWN

Total CO₂

3.2t

Total Visits

3

Avg CO₂/visit

1.1t

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

Atlanta

KFTY

Total CO₂

3.1t

Total Visits

1

Avg CO₂/visit

3.1t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
Laredo Chicago/Prospect Heights/Wheeling

KLRD to KPWK1,199 miles

Total Flights

1

Avg CO₂/Flight

4.6t

Total Emissions

4.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San Antonio Chicago/Prospect Heights/Wheeling

KSAT to KPWK1,050 miles

Total Flights

1

Avg CO₂/Flight

4.1t

Total Emissions

4.1t CO₂

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

KFTY to KENW636 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
Nashville Chicago/Prospect Heights/Wheeling

KJWN to KPWK414 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
Chicago/Waukegan Kenosha

KUGN to KENW13 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
Kenosha Fort Leonard Wood

KENW to KTBN402 miles

Total Flights

1

Avg CO₂/Flight

1.5t

Total Emissions

1.5t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3