N1904S
Bombardier Learjet 45
United States
IAD (Washington Dulles International Airport, Washington)

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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
22.7
Tons CO2 YTD
Below Average0.7× avg for Learjet 45
132.7
CO2 Tons Since 2025
Below Average0.6× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical1.1× avg for Learjet 45
83.8 tons CO2 in selected period

2026 pace: On track for approximately 68t CO₂ by year end · ↓ 38% vs full year 2025 (110t)

Flight Patterns & Behaviour

Emissions up 102% vs prior period, driven by Las Vegas → Youngstown/Warren

86t
Period total CO₂
3.8t
Avg per flight
23
Flights
Moderately Concentrated3 routes account for 53% of total emissions
Highest emission route
Las Vegas → Youngstown/Warren
21.8t CO₂ total · 0.0045t 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
102%
43t → 86t CO₂
Intensity
3%
0.0042 → 0.0041 t CO₂/nm
New Routes
16
65t CO₂ combined
Dropped Routes
12
Prior period only
Avg per Flight
67%
2.3t → 3.8t
Flight Count
4
19 → 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

35t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New2 Jun – 8 Jun 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New21 Jul – 27 Jul 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 10t CO₂ to period total — 11% of period emissions
Aircraft
Medium
New1 Oct – 21 Oct 2025
Elevated activity period · 3 flights in 20 days vs baseline of 2
Contributed approximately 7t CO₂ to period total — 9% of period emissions
Aircraft
Medium
Historical7 Jun – 25 Jun 2025
18-day inactive period
6.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical25 Jun – 24 Jul 2025
29-day inactive period
9.9t CO₂ in the 7 days following resumption
Recent Flights
Mar 26, 20263.5t CO₂
KYNGYoungstown/Warren
KSRQSarasota/Bradenton
963 miles2h 5m
Feb 23, 20262.7t CO₂
KGNVGainesville
KYNGYoungstown/Warren
804 miles1h 42m
Feb 23, 20263.4t CO₂
KYNGYoungstown/Warren
KSRQSarasota/Bradenton
963 miles2h 3m
Feb 7, 20268.3t CO₂
KLASLas Vegas
KYNGYoungstown/Warren
1,880 miles4h 34m
View Details
Feb 5, 20267.0t CO₂
KLASLas Vegas
KYNGYoungstown/Warren
1,880 miles3h 56m
View Details
Feb 2, 20262.7t CO₂
KBECWichita
KYNGYoungstown/Warren
914 miles1h 41m
View Details
Feb 2, 20263.1t CO₂
KLASLas Vegas
KICTWichita
983 miles1h 53m
View Details
Dec 30, 202510.0t CO₂
KPDXPortland
KSRQSarasota/Bradenton
2,517 miles5h 29m
View Details
Dec 20, 20256.5t CO₂
KPDXPortland
KYNGYoungstown/Warren
2,099 miles3h 40m
View Details
Dec 19, 20253.1t CO₂
KBILBillings
KPDXPortland
677 miles1h 53m
View Details
Nov 24, 20251.7t CO₂
KBEDBedford
KYNGYoungstown/Warren
489 miles1h 9m
View Details
Nov 22, 20251.6t CO₂
KBEDBedford
KFKLFranklin
447 miles1h 5m
View Details
Nov 13, 20254.0t CO₂
KAPADenver
KYNGYoungstown/Warren
1,273 miles2h 21m
View Details
Oct 27, 20250.6t CO₂
KLPRLorain/Elyria
KYNGYoungstown/Warren
78 miles16m
View Details
Oct 21, 20253.2t CO₂
KMEZMena
KYNGYoungstown/Warren
870 miles1h 56m
View Details
Oct 21, 20250.6t CO₂
KDALDallas
KOKCOklahoma City
181 miles35m
View Details
Oct 7, 20250.7t CO₂
KTYQIndianapolis
KYNGYoungstown/Warren
304 miles39m
View Details
Oct 3, 20256.2t CO₂
KSDLScottsdale
KYNGYoungstown/Warren
1,781 miles3h 28m
View Details
Jul 27, 20257.5t CO₂
KPDXPortland
KYNGYoungstown/Warren
2,099 miles4h 11m
View Details
Jul 24, 20252.4t CO₂
KBILBillings
KPDXPortland
677 miles1h 31m
View Details
Jun 25, 20256.6t CO₂
KLASLas Vegas
KYNGYoungstown/Warren
1,880 miles3h 40m
View Details
Jun 7, 20250.6t CO₂
KIADWashington
KYNGYoungstown/Warren
233 miles36m
View Details
Jun 2, 20250.6t CO₂
KIADWashington
KYNGYoungstown/Warren
233 miles34m
View Details
Apr 25, 20256.1t CO₂
KLASLas Vegas
KYNGYoungstown/Warren
1,880 miles3h 25m
View Details
Apr 17, 20255.6t CO₂
KTMBMiami
KYNGYoungstown/Warren
1,078 miles3h 11m
View Details
Apr 8, 20253.3t CO₂
KDALDallas
KYNGYoungstown/Warren
1,062 miles2h 1m
View Details
Apr 6, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles34m
View Details
Apr 6, 202510.1t CO₂
KPDXPortland
KIADWashington
2,320 miles5h 30m
View Details
Apr 3, 20250.6t CO₂
KHRIHermiston
KPDXPortland
162 miles22m
View Details
Apr 2, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles34m
View Details
Mar 7, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles35m
View Details
Mar 3, 20253.4t CO₂
KSRQSarasota/Bradenton
KYNGYoungstown/Warren
963 miles2h 4m
View Details
Mar 3, 20253.1t CO₂
KIADWashington
KSRQSarasota/Bradenton
850 miles1h 53m
View Details
Feb 25, 20253.4t CO₂
KDALDallas
KYNGYoungstown/Warren
1,062 miles2h 1m
View Details
Jan 20, 20251.4t CO₂
KPDKAtlanta
KUCPNew Castle
537 miles59m
View Details
Jan 15, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles32m
View Details
Jan 14, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles33m
View Details
Jan 12, 20250.6t CO₂
KIADWashington
KUCPNew Castle
212 miles32m
View Details
Jan 12, 20250.6t CO₂
KAGCPittsburgh
KIADWashington
164 miles37m
View Details
Jan 12, 20250.6t CO₂
KYNGYoungstown/Warren
KAGCPittsburgh
73 miles22m
View Details
Jan 11, 20250.6t CO₂
KAGCPittsburgh
KUCPNew Castle
53 miles11m
View Details
Jan 11, 20250.6t CO₂
KIADWashington
KAGCPittsburgh
164 miles32m
View Details
Top Airports by Emissions
Youngstown/Warren

Youngstown/Warren

KYNG

Total CO₂

65.7t

Total Visits

17

Avg CO₂/visit

3.9t

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

Portland

KPDX

Total CO₂

29.6t

Total Visits

5

Avg CO₂/visit

5.9t

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

Las Vegas

KLAS

Total CO₂

24.9t

Total Visits

4

Avg CO₂/visit

6.2t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Sarasota/Bradenton

Sarasota/Bradenton

KSRQ

Total CO₂

16.9t

Total Visits

3

Avg CO₂/visit

5.6t

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

Scottsdale

KSDL

Total CO₂

6.2t

Total Visits

1

Avg CO₂/visit

6.2t

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

Billings

KBIL

Total CO₂

5.5t

Total Visits

2

Avg CO₂/visit

2.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Las Vegas Youngstown/Warren

KLAS to KYNG1,881 miles

Total Flights

3

Avg CO₂/Flight

7.3t

Total Emissions

21.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland Youngstown/Warren

KPDX to KYNG2,101 miles

Total Flights

2

Avg CO₂/Flight

7.0t

Total Emissions

14.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland Sarasota/Bradenton

KPDX to KSRQ2,518 miles

Total Flights

1

Avg CO₂/Flight

10.0t

Total Emissions

10t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Youngstown/Warren Sarasota/Bradenton

KYNG to KSRQ964 miles

Total Flights

2

Avg CO₂/Flight

3.4t

Total Emissions

6.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Scottsdale Youngstown/Warren

KSDL to KYNG1,782 miles

Total Flights

1

Avg CO₂/Flight

6.2t

Total Emissions

6.2t CO₂

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

KBIL to KPDX677 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
Page 1 of 3