N977JP
Bombardier Learjet 31
United States
AUS (Austin-Bergstrom International Airport, Austin)

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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

7.4
Tons CO2 This Month
Typical1.3× avg for Learjet 31
23.1
Tons CO2 YTD
Typical1.4× avg for Learjet 31
37.3
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 31
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for Learjet 31
27.2 tons CO2 in selected period

2026 pace: On track for approximately 69t CO₂ by year end · ↑ 388% vs full year 2025 (14t)

Flight Patterns & Behaviour

Emissions up 137% vs prior period, driven by Austin → Lexington

22t
Period total CO₂
2.4t
Avg per flight
9
Flights
Moderately Concentrated3 routes account for 62% of total emissions
Highest emission route
Austin → Lexington
5.6t CO₂ total · 0.0035t 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
137%
9t → 22t CO₂
Intensity
21%
0.0038 → 0.0046 t CO₂/nm
New Routes
7
18t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
21%
3.1t → 2.4t
Flight Count
6
3 → 9 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

29t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New28 Oct – 3 Nov 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 19% of period emissions
Aircraft
High
New7 Jan – 20 Jan 2026
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 36% of period emissions
Aircraft
Medium
Historical28 Oct 2025 – 13 Jan 2026
78-day inactive period
7.7t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical19 Jan – 15 Feb 2026
27-day inactive period
6.4t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical15 Feb – 13 Mar 2026
26-day inactive period
3.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 14, 20262.9t CO₂
KAUSAustin
KLEXLexington
921 miles1h 59m
Mar 13, 20260.5t CO₂
KTMEHouston
KAUSAustin
109 miles7m
Feb 15, 20263.5t CO₂
KAUSAustin
NaN miles2h 18m
Feb 15, 20262.9t CO₂
KTMEHouston
KSUAStuart
968 miles1h 57m
View Details
Jan 19, 20263.7t CO₂
KLEXLexington
KTMEHouston
860 miles2h 24m
View Details
Jan 19, 20262.7t CO₂
KAUSAustin
KLEXLexington
921 miles1h 49m
View Details
Jan 13, 20260.5t CO₂
KAUSAustin
KTMEHouston
109 miles25m
View Details
Jan 13, 20260.8t CO₂
KAUSAustin
KMAFMidland
294 miles45m
View Details
Oct 28, 20254.1t CO₂
KCRQCarlsbad
KTMEHouston
1,277 miles2h 39m
View Details
Jan 19, 20252.0t CO₂
KDVTPhoenix
KERVKerrville
804 miles1h 27m
View Details
Jan 12, 20253.1t CO₂
KDVTPhoenix
KTMEHouston
986 miles2h 3m
View Details
Jan 10, 20254.1t CO₂
KTMEHouston
KDVTPhoenix
986 miles2h 38m
View Details
Top Airports by Emissions
Houston

Houston

KTME

Total CO₂

11.8t

Total Visits

5

Avg CO₂/visit

2.4t

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

Austin

KAUS

Total CO₂

11.0t

Total Visits

6

Avg CO₂/visit

1.8t

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

Lexington

KLEX

Total CO₂

9.3t

Total Visits

3

Avg CO₂/visit

3.1t

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

Carlsbad

KCRQ

Total CO₂

4.1t

Total Visits

1

Avg CO₂/visit

4.1t

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

Stuart

KSUA

Total CO₂

2.9t

Total Visits

1

Avg CO₂/visit

2.9t

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

Midland

KMAF

Total CO₂

0.8t

Total Visits

1

Avg CO₂/visit

0.8t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Top Routes by Emissions
Austin Lexington

KAUS to KLEX922 miles

Total Flights

2

Avg CO₂/Flight

2.8t

Total Emissions

5.6t CO₂

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

KCRQ to KTME1,278 miles

Total Flights

1

Avg CO₂/Flight

4.1t

Total Emissions

4.1t CO₂

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

KLEX to KTME861 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
Houston Stuart

KTME to KSUA968 miles

Total Flights

1

Avg CO₂/Flight

2.9t

Total Emissions

2.9t CO₂

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

KAUS to KMAF294 miles

Total Flights

1

Avg CO₂/Flight

0.8t

Total Emissions

0.8t CO₂

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

KTME to KAUS109 miles

Total Flights

1

Avg CO₂/Flight

0.5t

Total Emissions

0.5t CO₂

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