N501RS
Bombardier Learjet 31
United States
TUS (Tucson International Airport, Tucson)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Emissions Overview

4.6
Tons CO2 This Month
Typical0.8× avg for Learjet 31
7.1
Tons CO2 YTD
Below Average0.4× avg for Learjet 31
37.5
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 31
Emissions Intensity0.00t CO₂/nmTypical0.8× avg for Learjet 31
33.6 tons CO2 in selected period

2026 pace: On track for approximately 28t CO₂ by year end · ↓ 7% vs full year 2025 (30t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.3t CO₂/month

2.3t
CO₂/month
1.5t
Avg per flight
14
Distinct routes
Moderately Concentrated3 routes account for 61% of total emissions
Highest emission route
Las Vegas → UNK
11.5t CO₂ total

Seasonal pattern: Historically peaks in September · Current month is 63% below March 2025

🇺🇸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
>300%
3t → 28t CO₂
Intensity
6%
0.0110 → 0.0103 t CO₂/nm
New Routes
7
7t CO₂ combined
Dropped Routes
0
Avg per Flight
30%
1.1t → 1.5t
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

16t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New5 Aug – 11 Aug 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New10 Sept – 27 Sept 2025
Elevated activity period · 4 flights in 17 days vs baseline of 2
Contributed approximately 5t CO₂ to period total — 17% of period emissions
Aircraft
Medium
New19 Nov – 14 Dec 2025
Elevated activity period · 3 flights in 25 days vs baseline of 2
Contributed approximately 7t CO₂ to period total — 26% of period emissions
Aircraft
Medium
Historical14 Aug – 13 Sept 2025
31-day inactive period
1.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical30 Sept – 22 Oct 2025
22-day inactive period
1.3t CO₂ in the 7 days following resumption
Recent Flights
Mar 6, 20261.3t CO₂
KTUSTucson
KHNDLas Vegas
359 miles1h 1m
Feb 28, 20260.5t CO₂
MMPBPuebla
NaN miles22m
Feb 1, 20260.6t CO₂
KLRDLaredo
KSATSan Antonio
150 miles39m
Jan 14, 20260.5t CO₂
KHNDLas Vegas
KPSPPalm Springs
167 miles32m
View Details
Jan 3, 20261.0t CO₂
KTUSTucson
KFLGFlagstaff
213 miles51m
View Details
Dec 19, 20255.8t CO₂
KHNDLas Vegas
NaN miles3h 39m
View Details
Dec 14, 20251.1t CO₂
KTUSTucson
KHNDLas Vegas
359 miles55m
View Details
Dec 10, 20250.5t CO₂
MMMYMonterrey
NaN miles26m
View Details
Nov 25, 20255.6t CO₂
KHNDLas Vegas
NaN miles3h 33m
View Details
Nov 22, 20251.3t CO₂
KTUSTucson
KHNDLas Vegas
359 miles60m
View Details
Oct 22, 20251.3t CO₂
KSATSan Antonio
NaN miles1h 2m
View Details
Sep 30, 20252.1t CO₂
KDALDallas
NaN miles1h 28m
View Details
Sep 27, 20251.6t CO₂
KLRDLaredo
KDALDallas
398 miles1h 11m
View Details
Sep 25, 20251.3t CO₂
KHNDLas Vegas
KLRULas Cruces
534 miles1h 3m
View Details
Sep 16, 20250.5t CO₂
MMMYMonterrey
NaN miles20m
View Details
Sep 13, 20251.3t CO₂
MMMYMonterrey
KHOUHouston
398 miles1h 2m
View Details
Aug 14, 20250.5t CO₂
MMMYMonterrey
NaN miles21m
View Details
Aug 5, 20250.5t CO₂
MMCVCiudad Victoria
NaN miles7m
View Details
Aug 5, 20250.5t CO₂
KSATSan Antonio
KEBGMcAllen
214 miles34m
View Details
Mar 27, 20251.6t CO₂
KHNDLas Vegas
NaN miles1h 13m
View Details
Mar 22, 20251.3t CO₂
KTUSTucson
KHNDLas Vegas
359 miles60m
View Details
Jan 2, 20250.5t CO₂
KMFEMc Allen
NaN miles30m
View Details
Top Airports by Emissions
Las Vegas

Las Vegas

KHND

Total CO₂

17.0t

Total Visits

7

Avg CO₂/visit

2.4t

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

Tucson

KTUS

Total CO₂

4.6t

Total Visits

4

Avg CO₂/visit

1.2t

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

Dallas

KDAL

Total CO₂

3.6t

Total Visits

2

Avg CO₂/visit

1.8t

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

Monterrey

MMMY

Total CO₂

2.9t

Total Visits

4

Avg CO₂/visit

0.7t

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

San Antonio

KSAT

Total CO₂

2.5t

Total Visits

3

Avg CO₂/visit

0.8t

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

Laredo

KLRD

Total CO₂

2.2t

Total Visits

2

Avg CO₂/visit

1.1t

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

KTUS to KHND359 miles

Total Flights

3

Avg CO₂/Flight

1.2t

Total Emissions

3.6t CO₂

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

KLRD to KDAL398 miles

Total Flights

1

Avg CO₂/Flight

1.6t

Total Emissions

1.6t CO₂

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

KHND to KLRU534 miles

Total Flights

1

Avg CO₂/Flight

1.3t

Total Emissions

1.3t CO₂

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

MMMY to KHOU399 miles

Total Flights

1

Avg CO₂/Flight

1.3t

Total Emissions

1.3t CO₂

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

KTUS to KFLG213 miles

Total Flights

1

Avg CO₂/Flight

1.0t

Total Emissions

1t CO₂

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

KLRD to KSAT150 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

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