N91SU
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 Overview

3.8
Tons CO2 This Month
Below Average0.3× avg for Learjet 45
21.0
Tons CO2 YTD
Below Average0.6× avg for Learjet 45
120.4
CO2 Tons Since 2025
Below Average0.6× avg for Learjet 45
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Learjet 45
107.1 tons CO2 in selected period

2026 pace: On track for approximately 63t CO₂ by year end · ↓ 37% vs full year 2025 (99t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 8.5t CO₂/month

8.5t
CO₂/month
2.2t
Avg per flight
37
Distinct routes
Diverse Network3 routes account for 19% of total emissions
Highest emission route
Vancouver → Dallas
6.6t CO₂ total · 0.0043t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.3× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
>300%
11t → 94t CO₂
Intensity
3%
0.0041 → 0.0042 t CO₂/nm
New Routes
36
91t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
2.2t → 2.2t
Flight Count
Prior data incomplete

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

42t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New6 May – 12 May 2025
Elevated activity period · 5 flights in 6 days vs baseline of 1
Contributed approximately 3t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New30 May – 5 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New16 Jul – 29 Jul 2025
Elevated activity period · 5 flights in 13 days vs baseline of 2
Contributed approximately 15t CO₂ to period total — 16% of period emissions
Aircraft
Medium
Historical9 May – 30 May 2025
21-day inactive period
5.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical5 Jun – 20 Jul 2025
45-day inactive period
15.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 20, 20260.7t CO₂
KDTWDetroit
KAGCPittsburgh
220 miles37m
Feb 24, 20262.7t CO₂
KTPATampa
NaN miles1h 40m
Feb 19, 20262.8t CO₂
KTPATampa
MHCUCauquira
876 miles1h 45m
Jan 24, 20260.6t CO₂
KIADWashington
KEKNElkins
129 miles18m
View Details
Jan 22, 20265.5t CO₂
KLASLas Vegas
KCKBBridgeport
1,909 miles3h 8m
View Details
Jan 18, 20262.2t CO₂
KSLNSalina
KBDGBlanding
648 miles1h 26m
View Details
Jan 6, 20260.6t CO₂
KGSHGoshen
KMPGMoundsville
288 miles32m
View Details
Jan 6, 20263.1t CO₂
KAPADenver
KEKMElkhart
997 miles1h 53m
View Details
Jan 4, 20260.6t CO₂
KIADWashington
KCKBBridgeport
151 miles27m
View Details
Dec 30, 20253.5t CO₂
KIADWashington
KCMISavoy
581 miles2h 6m
View Details
Dec 16, 20250.6t CO₂
KIADWashington
KCKBBridgeport
151 miles30m
View Details
Dec 11, 20251.2t CO₂
KTEBTeterboro
KCKBBridgeport
343 miles54m
View Details
Dec 11, 20251.0t CO₂
KBUFBuffalo
KTEBTeterboro
280 miles47m
View Details
Dec 11, 20251.6t CO₂
KJVYJeffersonville
KBUFBuffalo
484 miles1h 5m
View Details
Dec 10, 20251.9t CO₂
KIADWashington
KSDFLouisville
450 miles1h 17m
View Details
Dec 9, 20254.7t CO₂
KTEBTeterboro
KMKCKansas City
1,090 miles2h 43m
View Details
Dec 8, 20253.5t CO₂
KSATSan Antonio
KCKBBridgeport
1,235 miles2h 6m
View Details
Nov 16, 20255.6t CO₂
KSDLScottsdale
KCKBBridgeport
1,793 miles3h 11m
View Details
Nov 5, 20250.6t CO₂
KIADWashington
KCKBBridgeport
151 miles30m
View Details
Oct 26, 20250.6t CO₂
KIADWashington
KCKBBridgeport
151 miles22m
View Details
Oct 12, 20253.6t CO₂
KSLNSalina
KMSOMissoula
1,001 miles2h 9m
View Details
Oct 3, 20253.4t CO₂
KDALDallas
KCKBBridgeport
1,027 miles2h 2m
View Details
Oct 3, 20256.6t CO₂
CYVRVancouver
KDALDallas
1,760 miles3h 41m
View Details
Sep 30, 20254.3t CO₂
KAPADenver
CYVRVancouver
1,118 miles2h 30m
View Details
Sep 30, 20252.5t CO₂
KDALDallas
KAPADenver
643 miles1h 36m
View Details
Sep 25, 20251.1t CO₂
KTEBTeterboro
KCKBBridgeport
343 miles51m
View Details
Sep 24, 20250.6t CO₂
KWBWWilkes-Barre
KTEBTeterboro
98 miles23m
View Details
Sep 24, 20253.0t CO₂
KTEBTeterboro
KMKEMilwaukee
725 miles1h 49m
View Details
Sep 23, 20251.0t CO₂
KBUFBuffalo
KTEBTeterboro
280 miles47m
View Details
Sep 22, 20251.2t CO₂
KTEBTeterboro
KBUFBuffalo
280 miles53m
View Details
Jul 26, 20253.5t CO₂
KSLNSalina
KCKBBridgeport
933 miles2h 7m
View Details
Jul 26, 20253.2t CO₂
KLASLas Vegas
KSLNSalina
976 miles1h 56m
View Details
Jul 22, 20251.3t CO₂
KSNASanta Ana
KAPCNapa
399 miles58m
View Details
Jul 22, 20251.7t CO₂
KAPCNapa
KSNASanta Ana
399 miles1h 8m
View Details
Jul 20, 20255.2t CO₂
KSLNSalina
KAPCNapa
1,328 miles2h 60m
View Details
Jun 5, 20254.1t CO₂
KCOSColorado Springs
KCKBBridgeport
1,308 miles2h 24m
View Details
May 30, 20251.2t CO₂
KJFKNew York
KCKBBridgeport
354 miles53m
View Details
May 9, 20250.6t CO₂
KMGWMorgantown
KCKBBridgeport
29 miles5m
View Details
May 8, 20250.6t CO₂
KMGWMorgantown
KMRBMartinsburg
104 miles24m
View Details
May 7, 20250.6t CO₂
KMGWMorgantown
KBKWBeaver
144 miles21m
View Details
May 7, 20250.6t CO₂
KIADWashington
KMGWMorgantown
140 miles31m
View Details
May 6, 20250.6t CO₂
KMGWMorgantown
KIADWashington
140 miles33m
View Details
Apr 15, 20252.2t CO₂
KBLMBelmar/Farmingdale
KCKBBridgeport
330 miles1h 26m
View Details
Apr 4, 20251.6t CO₂
KDTWDetroit
CYULMontreal
527 miles1h 6m
View Details
Apr 3, 20252.6t CO₂
KAFWFort Worth
KDTWDetroit
993 miles1h 37m
View Details
Apr 3, 20254.0t CO₂
KDTWDetroit
KAFWFort Worth
993 miles2h 20m
View Details
Apr 3, 20250.8t CO₂
KCKBBridgeport
KDTWDetroit
259 miles41m
View Details
Top Airports by Emissions
Bridgeport

Bridgeport

KCKB

Total CO₂

32.0t

Total Visits

14

Avg CO₂/visit

2.3t

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

Salina

KSLN

Total CO₂

17.8t

Total Visits

5

Avg CO₂/visit

3.6t

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

Teterboro

KTEB

Total CO₂

13.6t

Total Visits

8

Avg CO₂/visit

1.7t

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

Dallas

KDAL

Total CO₂

12.5t

Total Visits

3

Avg CO₂/visit

4.2t

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

Vancouver

CYVR

Total CO₂

10.8t

Total Visits

2

Avg CO₂/visit

5.4t

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

Denver

KAPA

Total CO₂

9.9t

Total Visits

3

Avg CO₂/visit

3.3t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 6
Top Routes by Emissions
Vancouver Dallas

CYVR to KDAL1,762 miles

Total Flights

1

Avg CO₂/Flight

6.6t

Total Emissions

6.6t CO₂

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

KSDL to KCKB1,794 miles

Total Flights

1

Avg CO₂/Flight

5.6t

Total Emissions

5.6t CO₂

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

KLAS to KCKB1,910 miles

Total Flights

1

Avg CO₂/Flight

5.5t

Total Emissions

5.5t CO₂

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

KSLN to KAPC1,329 miles

Total Flights

1

Avg CO₂/Flight

5.2t

Total Emissions

5.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Teterboro Kansas City

KTEB to KMKC1,091 miles

Total Flights

1

Avg CO₂/Flight

4.7t

Total Emissions

4.7t CO₂

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

KAPA to CYVR1,118 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
Page 1 of 6