N616LK
Bombardier Learjet 31
United States
DPA (DuPage Airport, Chicago/West Chicago)

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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

4.2
Tons CO2 This Month
Below Average0.7× avg for Learjet 31
14.0
Tons CO2 YTD
Typical0.9× avg for Learjet 31
88.8
CO2 Tons Since 2025
Typical1.0× avg for Learjet 31
Emissions Intensity0.01t CO₂/nmAbove Average2.3× avg for Learjet 31
73.7 tons CO2 in selected period

2026 pace: On track for approximately 42t CO₂ by year end · ↓ 44% vs full year 2025 (75t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 6.2t CO₂/month

6.2t
CO₂/month
3.0t
Avg per flight
10
Distinct routes
Highly Concentrated3 routes account for 78% of total emissions
Highest emission route
Chicago/West Chicago → Portsmouth
31.9t CO₂ total · 0.0038t 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
>300%
14t → 68t CO₂
Intensity
9%
0.0040 → 0.0043 t CO₂/nm
New Routes
9
36t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
30%
2.3t → 3.0t
Flight Count
17
6 → 23 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

22t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New2 May – 23 May 2025
Elevated activity period · 2 flights in 21 days vs baseline of 2
Contributed approximately 8t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New28 Aug – 3 Sept 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 3% of period emissions
Aircraft
Medium
Historical2 May – 23 May 2025
21-day inactive period
5.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical23 May – 23 Jun 2025
31-day inactive period
3.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical23 Jun – 18 Jul 2025
25-day inactive period
2.7t CO₂ in the 7 days following resumption
Recent Flights
Mar 1, 20264.2t CO₂
KPSMPortsmouth
KDPAChicago/West Chicago
889 miles2h 42m
Feb 15, 20263.8t CO₂
KPSMPortsmouth
KDPAChicago/West Chicago
889 miles2h 28m
Jan 20, 20262.7t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 49m
Jan 8, 20262.9t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 58m
View Details
Dec 30, 20253.9t CO₂
KPSMPortsmouth
KDPAChicago/West Chicago
889 miles2h 31m
View Details
Dec 13, 20252.7t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 50m
View Details
Nov 23, 20252.8t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 54m
View Details
Nov 2, 20253.0t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles2h 2m
View Details
Sep 26, 20250.5t CO₂
KDPAChicago/West Chicago
KENWKenosha
50 miles19m
View Details
Sep 22, 20252.9t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 56m
View Details
Sep 10, 20253.7t CO₂
KPSMPortsmouth
KDPAChicago/West Chicago
889 miles2h 25m
View Details
Sep 3, 20253.0t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 59m
View Details
Aug 29, 20252.0t CO₂
KDPAChicago/West Chicago
KVWUWaskish
528 miles1h 28m
View Details
Aug 13, 20252.9t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 57m
View Details
Aug 4, 20253.2t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles2h 7m
View Details
Aug 1, 20251.9t CO₂
KSLNSalina
KDPAChicago/West Chicago
539 miles1h 22m
View Details
Aug 1, 20252.2t CO₂
KDPAChicago/West Chicago
KSLNSalina
539 miles1h 31m
View Details
Jul 18, 20252.7t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 50m
View Details
Jun 23, 20253.2t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles2h 7m
View Details
May 23, 20252.4t CO₂
KMBOMadison
KDPAChicago/West Chicago
661 miles1h 40m
View Details
May 23, 20253.1t CO₂
KDPAChicago/West Chicago
KBTRBaton Rouge
802 miles2h 5m
View Details
May 2, 20255.9t CO₂
KEHAElkhart
KCNOChino
909 miles3h 43m
View Details
May 2, 20252.5t CO₂
KDPAChicago/West Chicago
KDDCDodge City
683 miles1h 43m
View Details
Mar 21, 20251.8t CO₂
KDPAChicago/West Chicago
KCHOCharlottesville
579 miles1h 20m
View Details
Mar 14, 20252.9t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 56m
View Details
Feb 19, 20252.7t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 51m
View Details
Jan 30, 20251.1t CO₂
KDPAChicago/West Chicago
KEAUEau Claire
261 miles55m
View Details
Jan 14, 20252.5t CO₂
KAGCPittsburgh
KDPAChicago/West Chicago
445 miles1h 43m
View Details
Jan 12, 20252.7t CO₂
KDPAChicago/West Chicago
KPSMPortsmouth
889 miles1h 50m
View Details
Top Airports by Emissions
Chicago/West Chicago

Chicago/West Chicago

KDPA

Total CO₂

62.2t

Total Visits

22

Avg CO₂/visit

2.8t

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

Portsmouth

KPSM

Total CO₂

47.5t

Total Visits

15

Avg CO₂/visit

3.2t

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

Elkhart

KEHA

Total CO₂

5.9t

Total Visits

1

Avg CO₂/visit

5.9t

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

Chino

KCNO

Total CO₂

5.9t

Total Visits

1

Avg CO₂/visit

5.9t

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

Salina

KSLN

Total CO₂

4.1t

Total Visits

2

Avg CO₂/visit

2.0t

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

Baton Rouge

KBTR

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 2
Top Routes by Emissions
Chicago/West Chicago Portsmouth

KDPA to KPSM890 miles

Total Flights

11

Avg CO₂/Flight

2.9t

Total Emissions

31.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portsmouth Chicago/West Chicago

KPSM to KDPA890 miles

Total Flights

4

Avg CO₂/Flight

3.9t

Total Emissions

15.5t CO₂

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

KEHA to KCNO910 miles

Total Flights

1

Avg CO₂/Flight

5.9t

Total Emissions

5.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Chicago/West Chicago Baton Rouge

KDPA to KBTR802 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
Chicago/West Chicago Dodge City

KDPA to KDDC684 miles

Total Flights

1

Avg CO₂/Flight

2.5t

Total Emissions

2.5t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Madison Chicago/West Chicago

KMBO to KDPA662 miles

Total Flights

1

Avg CO₂/Flight

2.4t

Total Emissions

2.4t CO₂

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