N961MM
Bombardier Learjet 45
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 Overview

4.8
Tons CO2 This Month
Below Average0.4× avg for Learjet 45
24.1
Tons CO2 YTD
Below Average0.7× avg for Learjet 45
84.9
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmAbove Average1.5× avg for Learjet 45
66.6 tons CO2 in selected period

2026 pace: On track for approximately 72t CO₂ by year end · ↑ 19% vs full year 2025 (61t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 5.6t CO₂/month

5.6t
CO₂/month
2.6t
Avg per flight
11
Distinct routes
Moderately Concentrated3 routes account for 65% of total emissions
Highest emission route
San Antonio → Indianapolis
20.8t CO₂ total · 0.0040t 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%
15t → 62t CO₂
Intensity
7%
0.0037 → 0.0039 t CO₂/nm
New Routes
7
31t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
55%
1.7t → 2.6t
Flight Count
15
9 → 24 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

27t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New12 Jun – 18 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New4 Jul – 12 Aug 2025
Elevated activity period · 6 flights in 39 days vs baseline of 3
Contributed approximately 11t CO₂ to period total — 18% of period emissions
Aircraft
Medium
Historical28 May – 16 Jun 2025
19-day inactive period
4.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical18 Jun – 10 Jul 2025
22-day inactive period
3.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical12 Aug – 13 Oct 2025
62-day inactive period
8.3t CO₂ in the 7 days following resumption
Recent Flights
Feb 24, 20263.9t CO₂
KSATSan Antonio
KTYQIndianapolis
1,000 miles2h 17m
Feb 23, 20263.9t CO₂
KTYQIndianapolis
KSATSan Antonio
1,000 miles2h 17m
Feb 18, 20263.7t CO₂
KDRTDel Rio
KTYQIndianapolis
1,109 miles2h 13m
Feb 3, 20263.6t CO₂
KDRTDel Rio
KTYQIndianapolis
1,109 miles2h 8m
View Details
Feb 2, 20264.3t CO₂
KLOTChicago/Romeoville
KDRTDel Rio
1,108 miles2h 29m
View Details
Jan 30, 20263.7t CO₂
KLRDLaredo
KTYQIndianapolis
1,146 miles2h 13m
View Details
Jan 22, 20260.9t CO₂
KATWAppleton
KTYQIndianapolis
313 miles44m
View Details
Jan 12, 20260.9t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles44m
View Details
Nov 19, 20253.2t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles1h 57m
View Details
Nov 18, 20251.0t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles47m
View Details
Nov 18, 20254.3t CO₂
KTYQIndianapolis
KSATSan Antonio
1,001 miles2h 30m
View Details
Oct 15, 20253.6t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles2h 8m
View Details
Oct 13, 20250.9t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles45m
View Details
Oct 13, 20253.8t CO₂
KTYQIndianapolis
KSATSan Antonio
1,001 miles2h 15m
View Details
Aug 12, 20253.4t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles2h 2m
View Details
Aug 11, 20250.7t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles37m
View Details
Jul 30, 20253.4t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles2h 3m
View Details
Jul 28, 20250.7t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles37m
View Details
Jul 23, 20253.3t CO₂
KBJCDenver
KTYQIndianapolis
996 miles2h 1m
View Details
Jul 10, 20251.5t CO₂
KPDKAtlanta
KTYQIndianapolis
439 miles1h 4m
View Details
Jul 10, 20251.5t CO₂
KTYQIndianapolis
KPDKAtlanta
439 miles1h 4m
View Details
Jun 18, 20253.4t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles2h 3m
View Details
Jun 16, 20250.6t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles37m
View Details
May 28, 20251.9t CO₂
KTYQIndianapolis
KMCNMacon
527 miles1h 17m
View Details
Apr 22, 20251.4t CO₂
KGSPGreer
KTYQIndianapolis
418 miles1h 1m
View Details
Apr 16, 20253.2t CO₂
KBJCDenver
KTYQIndianapolis
996 miles1h 56m
View Details
Feb 28, 20251.0t CO₂
KPITPittsburgh
KTYQIndianapolis
318 miles48m
View Details
Feb 28, 20250.6t CO₂
KIADWashington
KPITPittsburgh
183 miles34m
View Details
Feb 27, 20251.5t CO₂
KTYQIndianapolis
KIADWashington
475 miles1h 4m
View Details
Feb 12, 20253.0t CO₂
KSATSan Antonio
KTYQIndianapolis
1,001 miles1h 49m
View Details
Feb 10, 20250.8t CO₂
KSATSan Antonio
MMIOSaltillo
314 miles41m
View Details
Jan 16, 20251.6t CO₂
KLZULawrenceville
KTYQIndianapolis
437 miles1h 6m
View Details
Jan 6, 20252.0t CO₂
KTYQIndianapolis
KMCNMacon
527 miles1h 18m
View Details
Top Airports by Emissions
Indianapolis

Indianapolis

KTYQ

Total CO₂

53.0t

Total Visits

17

Avg CO₂/visit

3.1t

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

San Antonio

KSAT

Total CO₂

37.4t

Total Visits

15

Avg CO₂/visit

2.5t

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

Del Rio

KDRT

Total CO₂

11.6t

Total Visits

3

Avg CO₂/visit

3.9t

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

Saltillo

MMIO

Total CO₂

4.7t

Total Visits

6

Avg CO₂/visit

0.8t

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

Chicago/Romeoville

KLOT

Total CO₂

4.3t

Total Visits

1

Avg CO₂/visit

4.3t

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

Laredo

KLRD

Total CO₂

3.7t

Total Visits

1

Avg CO₂/visit

3.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2
Top Routes by Emissions
San Antonio Indianapolis

KSAT to KTYQ1,002 miles

Total Flights

6

Avg CO₂/Flight

3.5t

Total Emissions

20.8t CO₂

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

KTYQ to KSAT1,002 miles

Total Flights

3

Avg CO₂/Flight

4.0t

Total Emissions

11.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Del Rio Indianapolis

KDRT to KTYQ1,110 miles

Total Flights

2

Avg CO₂/Flight

3.6t

Total Emissions

7.3t CO₂

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

KSAT to MMIO314 miles

Total Flights

6

Avg CO₂/Flight

0.8t

Total Emissions

4.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Chicago/Romeoville Del Rio

KLOT to KDRT1,109 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
Laredo Indianapolis

KLRD to KTYQ1,146 miles

Total Flights

1

Avg CO₂/Flight

3.7t

Total Emissions

3.7t CO₂

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