N448LL
Cessna Citation CJ2
United States
SAT (San Antonio International Airport, San Antonio)

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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 Citation CJ2
6.9
Tons CO2 YTD
Below Average0.4× avg for Citation CJ2
37.2
CO2 Tons Since 2025
Below Average0.4× avg for Citation CJ2
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation CJ2
27.2 tons CO2 in selected period

2026 pace: On track for approximately 21t CO₂ by year end · ↓ 32% vs full year 2025 (30t)

Flight Patterns & Behaviour

Emissions up 277% vs prior period, driven by Savannah → Aspen

36t
Period total CO₂
2.6t
Avg per flight
14
Flights
Moderately Concentrated3 routes account for 49% of total emissions
Highest emission route
Savannah → Aspen
7.0t CO₂ total · 0.0053t 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
277%
9t → 36t CO₂
Intensity
31%
0.0080 → 0.0055 t CO₂/nm
New Routes
12
30t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
19%
3.2t → 2.6t
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

24t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New11 May – 17 May 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New13 Jul – 19 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 7t CO₂ to period total — 20% of period emissions
Aircraft
Medium
Historical11 May – 19 Jul 2025
68-day inactive period
7.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical19 Jul – 28 Sept 2025
72-day inactive period
2.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 Sept – 19 Oct 2025
21-day inactive period
3.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 29, 20260.5t CO₂
KPKVPort Lavaca
KIAHHouston
122 miles27m
Mar 29, 20260.8t CO₂
KSATSan Antonio
KPKVPort Lavaca
124 miles46m
Feb 26, 20261.2t CO₂
KDALDallas
KSATSan Antonio
248 miles1h 5m
Feb 26, 20261.6t CO₂
KGWSGlenwood Springs
KDALDallas
742 miles1h 20m
View Details
Feb 26, 20264.8t CO₂
KSATSan Antonio
KGWSGlenwood Springs
852 miles3h 44m
View Details
Jan 12, 20260.5t CO₂
KHYI
KSATSan Antonio
44 miles14m
View Details
Jan 12, 20260.7t CO₂
KAUSAustin
KDALDallas
189 miles42m
View Details
Jan 12, 20265.6t CO₂
KDALDallas
KAUSAustin
189 miles4h 17m
View Details
Nov 21, 20252.7t CO₂
KSATSan Antonio
KLXVLeadville
804 miles2h 12m
View Details
Oct 19, 20253.5t CO₂
KSANSan Diego
KSATSan Antonio
1,127 miles2h 44m
View Details
Sep 28, 20252.6t CO₂
KSATSan Antonio
NaN miles2h 5m
View Details
Jul 19, 20257.0t CO₂
KSAVSavannah
KASEAspen
1,515 miles5h 19m
View Details
May 11, 20251.9t CO₂
KTADTrinidad
KSATSan Antonio
631 miles1h 36m
View Details
May 11, 20252.3t CO₂
KOARMarina
KEGEEagle
830 miles1h 52m
View Details
Jan 24, 20255.3t CO₂
KAUSAustin
KSATSan Antonio
66 miles4h 6m
View Details
Jan 3, 20251.4t CO₂
KTCCTucumcari
KSATSan Antonio
491 miles1h 11m
View Details
Jan 3, 20252.8t CO₂
KSATSan Antonio
KLXVLeadville
804 miles2h 14m
View Details
Top Airports by Emissions
San Antonio

San Antonio

KSAT

Total CO₂

18.1t

Total Visits

8

Avg CO₂/visit

2.3t

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

Dallas

KDAL

Total CO₂

9.1t

Total Visits

4

Avg CO₂/visit

2.3t

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

Savannah

KSAV

Total CO₂

7.0t

Total Visits

1

Avg CO₂/visit

7.0t

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

Aspen

KASE

Total CO₂

7.0t

Total Visits

1

Avg CO₂/visit

7.0t

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

Glenwood Springs

KGWS

Total CO₂

6.4t

Total Visits

2

Avg CO₂/visit

3.2t

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

Austin

KAUS

Total CO₂

6.3t

Total Visits

2

Avg CO₂/visit

3.1t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Savannah Aspen

KSAV to KASE1,516 miles

Total Flights

1

Avg CO₂/Flight

7.0t

Total Emissions

7t CO₂

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

KDAL to KAUS189 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
San Antonio Glenwood Springs

KSAT to KGWS852 miles

Total Flights

1

Avg CO₂/Flight

4.8t

Total Emissions

4.8t CO₂

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

KSAN to KSAT1,128 miles

Total Flights

1

Avg CO₂/Flight

3.5t

Total Emissions

3.5t CO₂

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

KSAT to KLXV805 miles

Total Flights

1

Avg CO₂/Flight

2.7t

Total Emissions

2.7t CO₂

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

KOAR to KEGE831 miles

Total Flights

1

Avg CO₂/Flight

2.3t

Total Emissions

2.3t CO₂

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