N420KM
Cessna Citation X
Charter
United States
BFI (King County International Airport, Seattle)

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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

104.0
Tons CO2 This Month
Above Average2.0× avg for Citation X
125.3
Tons CO2 YTD
Typical0.8× avg for Citation X
668.7
CO2 Tons Since 2025
Typical0.9× avg for Citation X
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for Citation X
531.0 tons CO2 in selected period

2026 pace: On track for approximately 376t CO₂ by year end · ↓ 31% vs full year 2025 (543t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 45.4t CO₂/month

45.4t
CO₂/month
6.8t
Avg per flight
45
Distinct routes
Diverse Network3 routes account for 26% of total emissions
Highest emission route
Teterboro → Seattle
64.3t CO₂ total · 0.0077t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.8× country averageAbove Average

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
122t → 500t CO₂
Intensity
2%
0.0073 → 0.0072 t CO₂/nm
New Routes
39
433t CO₂ combined
Dropped Routes
14
Prior period only
Avg per Flight
6%
6.4t → 6.8t
Flight Count
54
19 → 73 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

200t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New8 May – 21 May 2025
Elevated activity period · 8 flights in 13 days vs baseline of 3
Contributed approximately 40t CO₂ to period total — 8% of period emissions
Aircraft
Medium
New19 Sept – 6 Oct 2025
Elevated activity period · 9 flights in 17 days vs baseline of 4
Contributed approximately 65t CO₂ to period total — 13% of period emissions
Aircraft
Medium
New20 Nov – 12 Dec 2025
Elevated activity period · 8 flights in 22 days vs baseline of 5
Contributed approximately 74t CO₂ to period total — 15% of period emissions
Aircraft
Medium
Historical24 May – 3 Jul 2025
41-day inactive period
14.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical25 Jul – 14 Aug 2025
20-day inactive period
7.1t CO₂ in the 7 days following resumption
Recent Flights
Mar 29, 202616.6t CO₂
KTEBTeterboro
KBFISeattle
2,393 miles5h 24m
Mar 22, 20265.5t CO₂
KVNYVan Nuys
KBFISeattle
941 miles2h 1m
Mar 20, 202613.8t CO₂
KVNYVan Nuys
KGONGroton
2,551 miles4h 33m
Mar 20, 20265.5t CO₂
KBFISeattle
KVNYVan Nuys
941 miles2h 1m
View Details
Mar 16, 20268.1t CO₂
KPHXPhoenix
KBFISeattle
1,112 miles2h 48m
View Details
Mar 15, 20265.5t CO₂
KBFISeattle
KPHXPhoenix
1,112 miles2h 1m
View Details
Mar 14, 20265.4t CO₂
KBFISeattle
KPSPPalm Springs
994 miles1h 58m
View Details
Mar 11, 20266.3t CO₂
KPSPPalm Springs
KBFISeattle
994 miles2h 15m
View Details
Mar 11, 20260.8t CO₂
KVNYVan Nuys
KPSPPalm Springs
116 miles29m
View Details
Mar 10, 20260.8t CO₂
KSBPSan Luis Obispo
KVNYVan Nuys
141 miles32m
View Details
Mar 10, 20260.8t CO₂
KVNYVan Nuys
KSBPSan Luis Obispo
141 miles35m
View Details
Mar 8, 20265.3t CO₂
KBFISeattle
KPSPPalm Springs
994 miles1h 57m
View Details
Mar 6, 20264.7t CO₂
KSJCSan Jose
KBFISeattle
703 miles1h 46m
View Details
Mar 5, 20263.9t CO₂
KBFISeattle
KSJCSan Jose
703 miles1h 32m
View Details
Mar 5, 20263.9t CO₂
KSFOSan Francisco
KBFISeattle
684 miles1h 31m
View Details
Mar 4, 20264.1t CO₂
KBFISeattle
KSFOSan Francisco
684 miles1h 36m
View Details
Feb 28, 202614.6t CO₂
PHIKHonolulu
KBFISeattle
2,678 miles4h 47m
View Details
Feb 28, 202617.1t CO₂
KBFISeattle
PHIKHonolulu
2,678 miles5h 33m
View Details
Feb 4, 20261.5t CO₂
KBFISeattle
NaN miles47m
View Details
Jan 30, 20262.7t CO₂
KBFISeattle
NaN miles1h 10m
View Details
Jan 25, 20267.0t CO₂
KPHXPhoenix
KBFISeattle
1,112 miles2h 28m
View Details
Jan 19, 20261.2t CO₂
KPHXPhoenix
KPSPPalm Springs
261 miles43m
View Details
Jan 18, 20265.6t CO₂
KBFISeattle
KPHXPhoenix
1,112 miles2h 3m
View Details
Dec 23, 20258.8t CO₂
KBFISeattle
NaN miles3h 1m
View Details
Dec 23, 202513.8t CO₂
KBNANashville
KBFISeattle
1,973 miles4h 33m
View Details
Dec 12, 20259.5t CO₂
KMSPMinneapolis
KBFISeattle
1,394 miles3h 14m
View Details
Dec 12, 20257.0t CO₂
KBFISeattle
KMSPMinneapolis
1,394 miles2h 29m
View Details
Dec 10, 20255.7t CO₂
KLASLas Vegas
KBFISeattle
871 miles2h 5m
View Details
Dec 8, 20254.8t CO₂
KBFISeattle
KLASLas Vegas
871 miles1h 47m
View Details
Nov 30, 202510.6t CO₂
KDALDallas
KBFISeattle
1,670 miles3h 33m
View Details
Nov 26, 20258.7t CO₂
KBFISeattle
KDALDallas
1,670 miles2h 59m
View Details
Nov 23, 202515.4t CO₂
KTEBTeterboro
KBFISeattle
2,393 miles5h 3m
View Details
Nov 22, 202512.2t CO₂
KBFISeattle
KTEBTeterboro
2,393 miles4h 4m
View Details
Nov 20, 202512.4t CO₂
KBNANashville
KBFISeattle
1,973 miles4h 7m
View Details
Nov 11, 202514.8t CO₂
KTEBTeterboro
KBFISeattle
2,393 miles4h 51m
View Details
Nov 8, 202512.6t CO₂
KBFISeattle
KTEBTeterboro
2,393 miles4h 11m
View Details
Oct 31, 202517.5t CO₂
KTEBTeterboro
KBFISeattle
2,393 miles5h 41m
View Details
Oct 24, 20251.5t CO₂
KIAGNiagara Falls
KTEBTeterboro
295 miles48m
View Details
Oct 24, 202511.5t CO₂
KBFISeattle
KIAGNiagara Falls
2,100 miles3h 51m
View Details
Oct 17, 202511.3t CO₂
KBFISeattle
CYOWOttawa
2,191 miles3h 47m
View Details
Oct 12, 20255.8t CO₂
KVNYVan Nuys
KBFISeattle
941 miles2h 6m
View Details
Oct 10, 20255.9t CO₂
KBFISeattle
KVNYVan Nuys
941 miles2h 8m
View Details
Oct 6, 20255.3t CO₂
KLASLas Vegas
KBFISeattle
871 miles1h 57m
View Details
Oct 6, 20254.8t CO₂
KBFISeattle
KLASLas Vegas
871 miles1h 48m
View Details
Oct 1, 20255.2t CO₂
KLASLas Vegas
KBFISeattle
871 miles1h 56m
View Details
Sep 30, 20254.9t CO₂
KBFISeattle
KLASLas Vegas
871 miles1h 49m
View Details
Sep 25, 20255.4t CO₂
KONTOntario
KBFISeattle
962 miles1h 60m
View Details
Sep 25, 20254.9t CO₂
KGPIKalispell
KONTOntario
999 miles1h 50m
View Details
Sep 25, 20251.6t CO₂
KBFISeattle
KGPIKalispell
376 miles50m
View Details
Sep 24, 202516.0t CO₂
PHIKHonolulu
KBFISeattle
2,678 miles5h 13m
View Details
Sep 23, 202516.9t CO₂
KBFISeattle
PHIKHonolulu
2,678 miles5h 30m
View Details
Sep 7, 20256.4t CO₂
KSDLScottsdale
KBFISeattle
1,102 miles2h 17m
View Details
Sep 6, 20256.0t CO₂
KBFISeattle
KSDLScottsdale
1,102 miles2h 10m
View Details
Aug 28, 20251.8t CO₂
KBFISeattle
NaN miles53m
View Details
Aug 28, 20252.9t CO₂
KBFISeattle
NaN miles1h 13m
View Details
Aug 22, 20250.8t CO₂
KESWEaston
KBFISeattle
56 miles17m
View Details
Aug 21, 20252.8t CO₂
KBFISeattle
NaN miles1h 11m
View Details
Aug 18, 20255.1t CO₂
KHNDLas Vegas
KBFISeattle
879 miles1h 54m
View Details
Aug 14, 20252.0t CO₂
KBFISeattle
KSUNHailey
477 miles57m
View Details
Jul 25, 20254.1t CO₂
KBFISeattle
KGJTGrand Junction
901 miles1h 36m
View Details
Jul 16, 20255.4t CO₂
KHNDLas Vegas
KBFISeattle
879 miles1h 58m
View Details
Jul 14, 20255.0t CO₂
KBFISeattle
KHNDLas Vegas
879 miles1h 51m
View Details
Jul 7, 20254.7t CO₂
KBFISeattle
KBOIBoise
401 miles1h 45m
View Details
Jul 3, 202510.2t CO₂
KBFISeattle
KJVYJeffersonville
1,933 miles3h 27m
View Details
May 24, 20257.6t CO₂
KBFISeattle
NaN miles2h 40m
View Details
May 18, 20254.4t CO₂
KMMHMammoth Lakes
KBFISeattle
706 miles1h 41m
View Details
May 18, 20254.6t CO₂
KBFISeattle
KPSPPalm Springs
993 miles1h 45m
View Details
May 17, 20255.7t CO₂
KLASLas Vegas
KBFISeattle
871 miles2h 5m
View Details
May 17, 20255.0t CO₂
KBFISeattle
KLASLas Vegas
871 miles1h 51m
View Details
May 12, 20254.1t CO₂
KPTVPorterville
KBFISeattle
812 miles1h 35m
View Details
May 12, 20255.3t CO₂
KBFISeattle
KPSPPalm Springs
993 miles1h 57m
View Details
May 11, 20255.1t CO₂
KHNDLas Vegas
KBFISeattle
879 miles1h 54m
View Details
May 8, 20255.4t CO₂
KBFISeattle
KHNDLas Vegas
879 miles1h 60m
View Details
Apr 26, 20255.4t CO₂
KVNYVan Nuys
KBFISeattle
941 miles2h 0m
View Details
Apr 26, 202511.5t CO₂
KEKMElkhart
KVNYVan Nuys
1,831 miles3h 52m
View Details
Apr 25, 20250.8t CO₂
KBAKColumbus
KEKMElkhart
170 miles32m
View Details
Apr 24, 20259.3t CO₂
KVNYVan Nuys
KBAKColumbus
1,827 miles3h 10m
View Details
Apr 23, 20251.1t CO₂
KSDMSan Diego
KVNYVan Nuys
143 miles41m
View Details
Apr 23, 20250.8t CO₂
KVNYVan Nuys
KSDMSan Diego
143 miles32m
View Details
Apr 12, 20254.3t CO₂
KBFLBakersfield
KBFISeattle
852 miles1h 39m
View Details
Apr 12, 20250.8t CO₂
KVNYVan Nuys
KPSPPalm Springs
117 miles21m
View Details
Apr 12, 202515.2t CO₂
KTEBTeterboro
KVNYVan Nuys
2,449 miles4h 58m
View Details
Mar 28, 20255.2t CO₂
KBFISeattle
KPSPPalm Springs
993 miles1h 56m
View Details
Mar 22, 20256.8t CO₂
KDVTPhoenix
KBFISeattle
1,094 miles2h 26m
View Details
Feb 18, 20251.4t CO₂
KSJCSan Jose
KPSPPalm Springs
390 miles46m
View Details
Feb 14, 20256.4t CO₂
KBFISeattle
MM23
1,295 miles2h 18m
View Details
Feb 13, 20256.9t CO₂
KSANSan Diego
KBFISeattle
1,056 miles2h 26m
View Details
Feb 10, 20258.7t CO₂
KSANSan Diego
KLEXLexington
1,861 miles2h 59m
View Details
Feb 9, 20257.7t CO₂
PAFAFairbanks
KBFISeattle
1,523 miles2h 41m
View Details
Feb 8, 202522.8t CO₂
KBFISeattle
PAFAFairbanks
1,523 miles7h 18m
View Details
Jan 2, 20255.8t CO₂
KPSPPalm Springs
KBFISeattle
993 miles2h 6m
View Details
Jan 1, 20251.2t CO₂
KSASSalton City
NaN miles43m
View Details
Top Airports by Emissions
Seattle

Seattle

KBFI

Total CO₂

475.8t

Total Visits

66

Avg CO₂/visit

7.2t

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

Teterboro

KTEB

Total CO₂

90.7t

Total Visits

7

Avg CO₂/visit

13.0t

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

Honolulu

PHIK

Total CO₂

64.6t

Total Visits

4

Avg CO₂/visit

16.1t

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

Las Vegas

KLAS

Total CO₂

41.2t

Total Visits

8

Avg CO₂/visit

5.2t

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

Van Nuys

KVNY

Total CO₂

38.9t

Total Visits

8

Avg CO₂/visit

4.9t

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

Palm Springs

KPSP

Total CO₂

28.9t

Total Visits

7

Avg CO₂/visit

4.1t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 5
Top Routes by Emissions
Teterboro Seattle

KTEB to KBFI2,394 miles

Total Flights

4

Avg CO₂/Flight

16.1t

Total Emissions

64.3t CO₂

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

KBFI to PHIK2,680 miles

Total Flights

2

Avg CO₂/Flight

17.0t

Total Emissions

34t CO₂

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

PHIK to KBFI2,680 miles

Total Flights

2

Avg CO₂/Flight

15.3t

Total Emissions

30.5t CO₂

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

KBNA to KBFI1,975 miles

Total Flights

2

Avg CO₂/Flight

13.1t

Total Emissions

26.2t CO₂

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

KBFI to KTEB2,394 miles

Total Flights

2

Avg CO₂/Flight

12.4t

Total Emissions

24.9t CO₂

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

KLAS to KBFI872 miles

Total Flights

4

Avg CO₂/Flight

5.5t

Total Emissions

21.9t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 8