N308LJ
Cessna Citation Sovereign
United States
SJC (Norman Y. Mineta San Jose International Airport, San Jose)

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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

30.4
Tons CO2 This Month
Above Average1.8× avg for Citation Sovereign
61.0
Tons CO2 YTD
Typical1.3× avg for Citation Sovereign
326.7
CO2 Tons Since 2025
Typical1.2× avg for Citation Sovereign
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Citation Sovereign
214.9 tons CO2 in selected period

2026 pace: On track for approximately 183t CO₂ by year end · ↓ 31% vs full year 2025 (266t)

Flight Patterns & Behaviour

Emissions up 94% vs prior period, driven by San Jose → Orlando

200t
Period total CO₂
5.0t
Avg per flight
40
Flights
Diverse Network3 routes account for 26% of total emissions
Highest emission route
San Jose → Orlando
22.9t CO₂ total · 0.0055t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.9× country averageTypical

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

What's ChangedCompared to prior equivalent period
Emissions
94%
103t → 200t CO₂
Intensity
0.0059 → 0.0059 t CO₂/nm
New Routes
23
127t CO₂ combined
Dropped Routes
7
Prior period only
Avg per Flight
3%
5.2t → 5.0t
Flight Count
20
20 → 40 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

78t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New15 May – 21 May 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New16 Jun – 17 Jul 2025
Elevated activity period · 6 flights in 31 days vs baseline of 4
Contributed approximately 33t CO₂ to period total — 17% of period emissions
Aircraft
Medium
New11 Aug – 17 Aug 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 1% of period emissions
Aircraft
Medium
Historical16 May – 15 Jun 2025
31-day inactive period
26.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical22 Jun – 8 Jul 2025
17-day inactive period
14.7t CO₂ in the 7 days following resumption
Recent Flights
Mar 18, 202613.6t CO₂
KVRBVero Beach
KSJCSan Jose
2,486 miles5h 51m
Mar 15, 202611.8t CO₂
KSJCSan Jose
KVRBVero Beach
2,486 miles5h 7m
Mar 11, 20261.8t CO₂
KLGBLong Beach
KSJCSan Jose
324 miles58m
Mar 9, 20261.6t CO₂
KSJCSan Jose
KLGBLong Beach
324 miles54m
View Details
Jan 24, 20260.9t CO₂
KPRBPaso Robles
KSJCSan Jose
137 miles22m
View Details
Jan 16, 202613.2t CO₂
KIADWashington
KSJCSan Jose
2,393 miles5h 42m
View Details
Jan 15, 202611.7t CO₂
KSJCSan Jose
KIADWashington
2,393 miles5h 6m
View Details
Jan 4, 20263.7t CO₂
KSLCSalt Lake City
KSJCSan Jose
583 miles1h 46m
View Details
Dec 30, 20252.8t CO₂
KSJCSan Jose
KSLCSalt Lake City
583 miles1h 24m
View Details
Dec 29, 20251.8t CO₂
KMYFSan Diego
KSJCSan Jose
414 miles58m
View Details
Dec 28, 20252.0t CO₂
KSJCSan Jose
KMYFSan Diego
414 miles1h 4m
View Details
Dec 9, 20252.0t CO₂
KLASLas Vegas
KSJCSan Jose
385 miles1h 3m
View Details
Dec 9, 20252.1t CO₂
KSJCSan Jose
KLASLas Vegas
385 miles1h 6m
View Details
Dec 3, 20251.4t CO₂
KWJFLancaster
KSJCSan Jose
275 miles48m
View Details
Dec 2, 20251.1t CO₂
KSJCSan Jose
KWJFLancaster
275 miles40m
View Details
Dec 2, 20251.4t CO₂
KWJFLancaster
KSJCSan Jose
275 miles47m
View Details
Dec 2, 20251.1t CO₂
KSJCSan Jose
KWJFLancaster
275 miles41m
View Details
Nov 27, 20253.2t CO₂
KPHXPhoenix
KSJCSan Jose
621 miles1h 32m
View Details
Nov 23, 20253.7t CO₂
KSJCSan Jose
KPHXPhoenix
621 miles1h 46m
View Details
Nov 10, 202514.1t CO₂
KSFBOrlando
KSJCSan Jose
2,408 miles6h 4m
View Details
Nov 6, 202511.2t CO₂
KSJCSan Jose
KSFBOrlando
2,408 miles4h 51m
View Details
Oct 21, 20250.9t CO₂
KSJCSan Jose
KTRKTruckee
166 miles30m
View Details
Oct 10, 202515.4t CO₂
KBEDBedford
KSJCSan Jose
2,665 miles6h 38m
View Details
Oct 7, 202511.8t CO₂
KSJCSan Jose
KBEDBedford
2,665 miles5h 6m
View Details
Sep 27, 20251.6t CO₂
KSNASanta Ana
KSJCSan Jose
342 miles53m
View Details
Sep 26, 20252.0t CO₂
KSJCSan Jose
KSNASanta Ana
342 miles1h 3m
View Details
Sep 16, 20253.4t CO₂
KIWAMesa
KSJCSan Jose
642 miles1h 37m
View Details
Aug 25, 20253.3t CO₂
KSJCSan Jose
KIWAMesa
642 miles1h 36m
View Details
Aug 17, 20251.8t CO₂
KMYFSan Diego
KSJCSan Jose
414 miles59m
View Details
Aug 15, 20252.1t CO₂
KSJCSan Jose
KMYFSan Diego
414 miles1h 5m
View Details
Jul 18, 20254.0t CO₂
KBJCDenver
KPWKChicago/Prospect Heights/Wheeling
908 miles1h 52m
View Details
Jul 17, 20254.5t CO₂
KSJCSan Jose
KBJCDenver
922 miles2h 6m
View Details
Jul 11, 20251.8t CO₂
KMYFSan Diego
KSJCSan Jose
414 miles59m
View Details
Jul 8, 202510.7t CO₂
KMYFSan Diego
KRICRichmond
2,254 miles4h 40m
View Details
Jul 8, 20252.1t CO₂
KSJCSan Jose
KMYFSan Diego
414 miles1h 6m
View Details
Jun 22, 20252.0t CO₂
KHNDLas Vegas
KSJCSan Jose
388 miles1h 4m
View Details
Jun 22, 202512.2t CO₂
KSFBOrlando
KHNDLas Vegas
2,027 miles5h 17m
View Details
Jun 15, 202511.7t CO₂
KSJCSan Jose
KSFBOrlando
2,408 miles5h 5m
View Details
May 16, 20251.1t CO₂
KSBASanta Barbara
KSJCSan Jose
234 miles40m
View Details
May 15, 20251.1t CO₂
KSJCSan Jose
KSBASanta Barbara
234 miles42m
View Details
Apr 17, 202514.5t CO₂
KSFBOrlando
KSJCSan Jose
2,408 miles6h 14m
View Details
Apr 14, 202511.1t CO₂
KSJCSan Jose
KSFBOrlando
2,408 miles4h 49m
View Details
Apr 10, 20252.1t CO₂
KHNDLas Vegas
KSJCSan Jose
388 miles1h 6m
View Details
Apr 7, 20251.9t CO₂
KSJCSan Jose
KHNDLas Vegas
388 miles1h 2m
View Details
Mar 31, 20252.5t CO₂
KMYFSan Diego
KSJCSan Jose
414 miles1h 14m
View Details
Mar 29, 20252.0t CO₂
KSJCSan Jose
KMYFSan Diego
414 miles1h 3m
View Details
Mar 28, 20251.4t CO₂
KOXROxnard
KSJCSan Jose
266 miles48m
View Details
Mar 28, 20251.3t CO₂
KSJCSan Jose
KOXROxnard
266 miles46m
View Details
Mar 27, 20251.6t CO₂
KBURBurbank
KSJCSan Jose
296 miles54m
View Details
Mar 26, 20251.4t CO₂
KSJCSan Jose
KBURBurbank
296 miles49m
View Details
Feb 21, 20252.9t CO₂
KSLCSalt Lake City
KSJCSan Jose
583 miles1h 25m
View Details
Feb 17, 20253.0t CO₂
KSJCSan Jose
KSLCSalt Lake City
583 miles1h 28m
View Details
Feb 13, 202514.9t CO₂
KSFBOrlando
KSJCSan Jose
2,408 miles6h 26m
View Details
Feb 10, 202510.7t CO₂
KSJCSan Jose
KSFBOrlando
2,408 miles4h 40m
View Details
Feb 1, 20252.3t CO₂
KHUARedstone Arsnl Huntsville
KSFBOrlando
517 miles1h 11m
View Details
Feb 1, 20258.9t CO₂
KSJCSan Jose
KHSVHuntsville
1,961 miles3h 55m
View Details
Jan 26, 20251.9t CO₂
KLASLas Vegas
KSJCSan Jose
385 miles1h 2m
View Details
Jan 25, 20252.2t CO₂
KSJCSan Jose
KLASLas Vegas
385 miles1h 8m
View Details
Jan 8, 202513.1t CO₂
KSJCSan Jose
KBEDBedford
2,665 miles5h 39m
View Details
Jan 4, 20253.5t CO₂
KSLCSalt Lake City
KSJCSan Jose
583 miles1h 41m
View Details
Top Airports by Emissions
San Jose

San Jose

KSJC

Total CO₂

172.7t

Total Visits

37

Avg CO₂/visit

4.7t

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

Orlando

KSFB

Total CO₂

49.1t

Total Visits

4

Avg CO₂/visit

12.3t

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

Bedford

KBED

Total CO₂

27.2t

Total Visits

2

Avg CO₂/visit

13.6t

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

Vero Beach

KVRB

Total CO₂

25.3t

Total Visits

2

Avg CO₂/visit

12.7t

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

Washington

KIAD

Total CO₂

24.9t

Total Visits

2

Avg CO₂/visit

12.5t

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

San Diego

KMYF

Total CO₂

22.4t

Total Visits

7

Avg CO₂/visit

3.2t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
San Jose Orlando

KSJC to KSFB2,409 miles

Total Flights

2

Avg CO₂/Flight

11.4t

Total Emissions

22.9t CO₂

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

KBED to KSJC2,667 miles

Total Flights

1

Avg CO₂/Flight

15.4t

Total Emissions

15.4t CO₂

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

KSFB to KSJC2,409 miles

Total Flights

1

Avg CO₂/Flight

14.1t

Total Emissions

14.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Vero Beach San Jose

KVRB to KSJC2,488 miles

Total Flights

1

Avg CO₂/Flight

13.6t

Total Emissions

13.6t CO₂

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

KIAD to KSJC2,395 miles

Total Flights

1

Avg CO₂/Flight

13.2t

Total Emissions

13.2t CO₂

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

KSFB to KHND2,028 miles

Total Flights

1

Avg CO₂/Flight

12.2t

Total Emissions

12.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 6