N638HP
Bombardier Learjet 31
United States
SLC (Salt Lake City International Airport, Salt Lake City)

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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 Learjet 31
15.6
Tons CO2 YTD
Typical1.0× avg for Learjet 31
126.4
CO2 Tons Since 2025
Typical1.4× avg for Learjet 31
Emissions Intensity0.01t CO₂/nmAbove Average1.5× avg for Learjet 31
97.2 tons CO2 in selected period

2026 pace: On track for approximately 47t CO₂ by year end · ↓ 58% vs full year 2025 (111t)

Flight Patterns & Behaviour

Emissions up 243% vs prior period, driven by Carlsbad → Salt Lake City

82t
Period total CO₂
1.6t
Avg per flight
51
Flights
Moderately Concentrated3 routes account for 51% of total emissions
Highest emission route
Carlsbad → Salt Lake City
19.7t CO₂ total · 0.0038t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.3× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
243%
24t → 82t CO₂
Intensity
14%
0.0047 → 0.0040 t CO₂/nm
New Routes
18
43t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
14%
1.4t → 1.6t
Flight Count
34
17 → 51 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

35t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New4 May – 18 May 2025
Elevated activity period · 6 flights in 14 days vs baseline of 3
Contributed approximately 10t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New30 Jun – 17 Jul 2025
Elevated activity period · 7 flights in 17 days vs baseline of 3
Contributed approximately 11t CO₂ to period total — 14% of period emissions
Aircraft
Medium
New7 Sept – 13 Sept 2025
Elevated activity period · 3 flights in 6 days vs baseline of 1
Contributed approximately 5t CO₂ to period total — 6% of period emissions
Aircraft
Medium
Historical18 May – 12 Jun 2025
25-day inactive period
4.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical15 Jun – 3 Jul 2025
18-day inactive period
5.0t CO₂ in the 7 days following resumption
Recent Flights
Jan 28, 20261.9t CO₂
KSLCSalt Lake City
KCNOChino
563 miles1h 21m
Jan 28, 20261.2t CO₂
KLASLas Vegas
KSLCSalt Lake City
367 miles59m
Jan 27, 20261.4t CO₂
KSLCSalt Lake City
KLASLas Vegas
367 miles1h 5m
Jan 26, 20262.1t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 31m
View Details
Jan 15, 20264.2t CO₂
KDALDallas
KSLCSalt Lake City
998 miles2h 43m
View Details
Jan 4, 20261.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 22m
View Details
Jan 4, 20260.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles18m
View Details
Dec 23, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles22m
View Details
Dec 23, 20251.0t CO₂
KDVTPhoenix
KCRQCarlsbad
302 miles53m
View Details
Dec 23, 20250.5t CO₂
KSLCSalt Lake City
KRIFRichfield
142 miles24m
View Details
Dec 17, 20252.0t CO₂
KDVTPhoenix
KSLCSalt Lake City
490 miles1h 24m
View Details
Dec 1, 20251.9t CO₂
KMFRMedford
KSLCSalt Lake City
573 miles1h 24m
View Details
Dec 1, 20252.8t CO₂
KCRQCarlsbad
KMFRMedford
707 miles1h 53m
View Details
Nov 17, 20251.3t CO₂
KHNDLas Vegas
KSLCSalt Lake City
374 miles60m
View Details
Nov 14, 20251.5t CO₂
KSLCSalt Lake City
KHNDLas Vegas
374 miles1h 7m
View Details
Nov 10, 20252.1t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 29m
View Details
Oct 31, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles20m
View Details
Oct 31, 20251.8t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 18m
View Details
Oct 19, 20251.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 21m
View Details
Oct 17, 20251.7t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 16m
View Details
Oct 8, 20251.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 22m
View Details
Oct 7, 20250.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles18m
View Details
Oct 3, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles21m
View Details
Oct 3, 20252.4t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 38m
View Details
Sep 14, 20251.9t CO₂
KOAKOakland
KSLCSalt Lake City
586 miles1h 21m
View Details
Sep 13, 20251.1t CO₂
KMFRMedford
KOAKOakland
322 miles53m
View Details
Sep 12, 20251.9t CO₂
KSLCSalt Lake City
KMFRMedford
573 miles1h 22m
View Details
Sep 8, 20251.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 22m
View Details
Sep 5, 20252.0t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 27m
View Details
Aug 25, 20251.9t CO₂
KOAKOakland
KSLCSalt Lake City
586 miles1h 24m
View Details
Aug 11, 20251.3t CO₂
KSIYMontague
KSLCSalt Lake City
548 miles60m
View Details
Aug 10, 20251.9t CO₂
KCRQCarlsbad
KSIYMontague
661 miles1h 24m
View Details
Jul 27, 20251.9t CO₂
KOAKOakland
KSLCSalt Lake City
586 miles1h 21m
View Details
Jul 20, 20252.2t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 32m
View Details
Jul 20, 20250.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles20m
View Details
Jul 17, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles18m
View Details
Jul 17, 20252.1t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 30m
View Details
Jul 14, 20251.9t CO₂
KOAKOakland
KSLCSalt Lake City
586 miles1h 24m
View Details
Jul 11, 20252.1t CO₂
KSLCSalt Lake City
KOAKOakland
586 miles1h 28m
View Details
Jul 7, 20252.0t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 24m
View Details
Jul 6, 20250.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles18m
View Details
Jul 3, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles18m
View Details
Jul 3, 20252.0t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 26m
View Details
Jun 15, 20251.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 22m
View Details
Jun 12, 20252.1t CO₂
KSLCSalt Lake City
KCRQCarlsbad
604 miles1h 30m
View Details
May 18, 20251.6t CO₂
KRDDRedding
KSLCSalt Lake City
540 miles1h 13m
View Details
May 18, 20250.7t CO₂
KSJCSan Jose
KRDDRedding
218 miles42m
View Details
May 17, 20252.1t CO₂
KSLCSalt Lake City
KSJCSan Jose
583 miles1h 30m
View Details
May 6, 20251.7t CO₂
KSDLScottsdale
KSLCSalt Lake City
495 miles1h 14m
View Details
May 5, 20251.5t CO₂
KSLCSalt Lake City
KSDLScottsdale
495 miles1h 7m
View Details
May 4, 20251.9t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 24m
View Details
Apr 27, 20252.1t CO₂
KOAKOakland
KSLCSalt Lake City
586 miles1h 29m
View Details
Apr 24, 20252.0t CO₂
KHIOPortland
KOAKOakland
541 miles1h 24m
View Details
Apr 23, 20250.9t CO₂
KSLCSalt Lake City
NaN miles47m
View Details
Apr 20, 20251.1t CO₂
KHNDLas Vegas
KSLCSalt Lake City
374 miles54m
View Details
Apr 19, 20251.4t CO₂
KSLCSalt Lake City
KHNDLas Vegas
374 miles1h 4m
View Details
Mar 17, 20252.0t CO₂
KSLCSalt Lake City
KCNOChino
563 miles1h 27m
View Details
Mar 17, 20253.5t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles2h 20m
View Details
Mar 7, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles23m
View Details
Mar 2, 20251.8t CO₂
KCRQCarlsbad
KSLCSalt Lake City
604 miles1h 19m
View Details
Mar 2, 20250.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles19m
View Details
Mar 1, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles21m
View Details
Mar 1, 20251.0t CO₂
KPHXPhoenix
KCRQCarlsbad
306 miles52m
View Details
Feb 28, 20250.9t CO₂
KHNDLas Vegas
KPHXPhoenix
250 miles47m
View Details
Feb 28, 20251.4t CO₂
KSLCSalt Lake City
KHNDLas Vegas
374 miles1h 3m
View Details
Feb 23, 20250.6t CO₂
KOAKOakland
NaN miles38m
View Details
Feb 21, 20251.8t CO₂
KSLCSalt Lake City
KOAKOakland
586 miles1h 20m
View Details
Feb 8, 20251.8t CO₂
KSLCSalt Lake City
KTNPTwentynine Palms
508 miles1h 18m
View Details
Top Airports by Emissions
Salt Lake City

Salt Lake City

KSLC

Total CO₂

69.4t

Total Visits

37

Avg CO₂/visit

1.9t

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

Carlsbad

KCRQ

Total CO₂

44.5t

Total Visits

29

Avg CO₂/visit

1.5t

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

Oakland

KOAK

Total CO₂

10.7t

Total Visits

6

Avg CO₂/visit

1.8t

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

Medford

KMFR

Total CO₂

7.7t

Total Visits

4

Avg CO₂/visit

1.9t

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

Chino

KCNO

Total CO₂

6.7t

Total Visits

10

Avg CO₂/visit

0.7t

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

Dallas

KDAL

Total CO₂

4.2t

Total Visits

1

Avg CO₂/visit

4.2t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Carlsbad Salt Lake City

KCRQ to KSLC604 miles

Total Flights

10

Avg CO₂/Flight

2.0t

Total Emissions

19.7t CO₂

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

KSLC to KCRQ604 miles

Total Flights

7

Avg CO₂/Flight

2.0t

Total Emissions

14.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Oakland Salt Lake City

KOAK to KSLC587 miles

Total Flights

4

Avg CO₂/Flight

1.9t

Total Emissions

7.6t CO₂

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

KDAL to KSLC998 miles

Total Flights

1

Avg CO₂/Flight

4.2t

Total Emissions

4.2t CO₂

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

KCRQ to KMFR707 miles

Total Flights

1

Avg CO₂/Flight

2.8t

Total Emissions

2.8t CO₂

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

KCRQ to KCNO62 miles

Total Flights

5

Avg CO₂/Flight

0.5t

Total Emissions

2.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 5