N299CX
Cessna Citation X
Charter
United States
BFI (King County International Airport, Seattle)

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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 decreasing vs prior period

Emissions Overview

13.0
Tons CO2 This Month
Below Average0.2× avg for Citation X
20.8
Tons CO2 YTD
Below Average0.1× avg for Citation X
169.5
CO2 Tons Since 2025
Below Average0.2× avg for Citation X
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for Citation X
34.7 tons CO2 in selected period

2026 pace: On track for approximately 83t CO₂ by year end · ↓ 44% vs full year 2025 (149t)

Flight Patterns & Behaviour

Emissions down 71% vs prior period — significantly less active

35t
Period total CO₂
5.0t
Avg per flight
7
Flights
Highly Concentrated3 routes account for 90% of total emissions
Highest emission route
Denver → Kerrville
13.9t CO₂ total · 0.0054t CO₂/nm

Seasonal pattern: Historically peaks in February · Current month is 45% below March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.5× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
71%
119t → 35t CO₂
Intensity
5%
0.0061 → 0.0058 t CO₂/nm
New Routes
4
35t CO₂ combined
Dropped Routes
13
Prior period only
Avg per Flight
25%
6.6t → 5.0t
Flight Count
11
18 → 7 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

26t

Signals Detected

5

Highest Severity

Medium

Emissions
Medium
New20 Mar 2026 · Las Vegas → Rockland
Highest single-flight emission event (Las Vegas → Rockland)
Single flight: 13.0t CO₂ — 37% of period emissions
Aircraft
Medium
New1 Sept – 7 Sept 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 11% of period emissions
Aircraft
Medium
New20 Oct – 26 Oct 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 3t CO₂ to period total — 9% of period emissions
Aircraft
Medium
New10 Nov – 16 Nov 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 3t CO₂ to period total — 10% of period emissions
Aircraft
Medium
Historical1 Sept – 26 Oct 2025
55-day inactive period
3.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 20, 202613.0t CO₂
KHNDLas Vegas
KRKDRockland
2,464 miles4h 18m
Feb 8, 20264.4t CO₂
KSATSan Antonio
KAPADenver
781 miles1h 40m
Jan 22, 20263.4t CO₂
KAPADenver
KAQOLlano
699 miles1h 23m
Dec 7, 20253.8t CO₂
KAPADenver
KERVKerrville
738 miles1h 30m
View Details
Nov 16, 20253.4t CO₂
KAPADenver
KERVKerrville
738 miles1h 22m
View Details
Oct 26, 20253.0t CO₂
KAPADenver
KERVKerrville
738 miles1h 14m
View Details
Sep 1, 20253.7t CO₂
KAPADenver
KERVKerrville
738 miles1h 29m
View Details
Mar 10, 20250.8t CO₂
KCHOCharlottesville
KISOKinston
200 miles29m
View Details
Mar 10, 20255.0t CO₂
KICTWichita
KCHOCharlottesville
1,033 miles1h 52m
View Details
Mar 10, 20256.9t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 27m
View Details
Mar 3, 20257.8t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 42m
View Details
Feb 20, 20256.8t CO₂
KCHOCharlottesville
KICTWichita
1,033 miles2h 24m
View Details
Feb 19, 20253.6t CO₂
KBOSBoston
KCHOCharlottesville
488 miles1h 26m
View Details
Feb 19, 202513.3t CO₂
KBFISeattle
KBOSBoston
2,485 miles4h 25m
View Details
Feb 17, 20254.6t CO₂
KIABWichita
KISOKinston
1,100 miles1h 44m
View Details
Feb 16, 20256.7t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 22m
View Details
Feb 13, 202511.4t CO₂
KBFISeattle
CYULMontreal
2,274 miles3h 49m
View Details
Feb 7, 20257.0t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 28m
View Details
Feb 3, 20256.7t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 22m
View Details
Jan 30, 20257.7t CO₂
KBFISeattle
MMMGMulege
1,531 miles2h 41m
View Details
Jan 23, 20259.4t CO₂
KBOSBoston
KICTWichita
1,428 miles3h 12m
View Details
Jan 20, 20252.6t CO₂
KHNBHuntingburg
KGEDGeorgetown
627 miles1h 8m
View Details
Jan 20, 20257.0t CO₂
KBFISeattle
KICTWichita
1,427 miles2h 29m
View Details
Jan 2, 20258.5t CO₂
KGLDGoodland
KGVEGordonsville
1,266 miles2h 56m
View Details
Jan 2, 20252.9t CO₂
KICTWichita
KGNBGranby
485 miles1h 13m
View Details
Top Airports by Emissions
Denver

Denver

KAPA

Total CO₂

21.7t

Total Visits

6

Avg CO₂/visit

3.6t

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

Kerrville

KERV

Total CO₂

13.9t

Total Visits

4

Avg CO₂/visit

3.5t

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

Las Vegas

KHND

Total CO₂

13.0t

Total Visits

1

Avg CO₂/visit

13.0t

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

Rockland

KRKD

Total CO₂

13.0t

Total Visits

1

Avg CO₂/visit

13.0t

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

San Antonio

KSAT

Total CO₂

4.4t

Total Visits

1

Avg CO₂/visit

4.4t

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

Llano

KAQO

Total CO₂

3.4t

Total Visits

1

Avg CO₂/visit

3.4t

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