N1886X
Cessna Citation CJ4
United States
PHX (Phoenix Sky Harbor International Airport, Phoenix)

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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

3.4
Tons CO2 This Month
Below Average0.4× avg for Citation CJ4
15.1
Tons CO2 YTD
Below Average0.6× avg for Citation CJ4
46.1
CO2 Tons Since 2025
Below Average0.4× avg for Citation CJ4
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for Citation CJ4
38.9 tons CO2 in selected period

2026 pace: On track for approximately 45t CO₂ by year end · ↑ 46% vs full year 2025 (31t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 3.3t CO₂/month

3.3t
CO₂/month
2.0t
Avg per flight
13
Distinct routes
Moderately Concentrated3 routes account for 54% of total emissions
Highest emission route
Phoenix → Tulsa
12.0t CO₂ total · 0.0037t 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
>300%
7t → 36t CO₂
Intensity
13%
0.0036 → 0.0040 t CO₂/nm
New Routes
12
24t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
19%
1.7t → 2.0t
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

36t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New12 May – 18 May 2025
Elevated activity period · 4 flights in 6 days vs baseline of 0
Contributed approximately 7t CO₂ to period total — 18% of period emissions
Aircraft
Medium
New23 Sept – 29 Sept 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
High
New18 Oct – 31 Oct 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 11t CO₂ to period total — 32% of period emissions
Aircraft
Medium
Historical16 May – 29 Sept 2025
136-day inactive period
3.1t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical29 Sept – 24 Oct 2025
26-day inactive period
11.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 27, 20261.8t CO₂
KRVSTulsa
KSDFLouisville
583 miles1h 19m
Mar 19, 20260.8t CO₂
KLASLas Vegas
KPHXPhoenix
255 miles44m
Mar 19, 20260.9t CO₂
KPHXPhoenix
KLASLas Vegas
255 miles47m
Mar 10, 20260.9t CO₂
KRVSTulsa
KAUHAurora
353 miles47m
View Details
Jan 26, 20260.5t CO₂
KICTWichita
KRVSTulsa
138 miles20m
View Details
Jan 26, 20262.6t CO₂
KPHXPhoenix
KICTWichita
867 miles1h 47m
View Details
Jan 22, 20263.4t CO₂
KAUSAustin
KPHXPhoenix
869 miles2h 16m
View Details
Jan 22, 20262.7t CO₂
KPHXPhoenix
KRVSTulsa
925 miles1h 51m
View Details
Jan 21, 20261.2t CO₂
KAUSAustin
KRVSTulsa
415 miles60m
View Details
Oct 26, 20253.5t CO₂
KPHXPhoenix
KRVSTulsa
925 miles2h 20m
View Details
Oct 25, 20252.6t CO₂
KHHFCanadian
KPHXPhoenix
680 miles1h 49m
View Details
Oct 24, 20251.9t CO₂
KNEWNew Orleans
KRVSTulsa
539 miles1h 25m
View Details
Oct 24, 20253.4t CO₂
MWCRGeorge Town
KNEWNew Orleans
919 miles2h 17m
View Details
Sep 29, 20253.1t CO₂
KPHXPhoenix
KRVSTulsa
925 miles2h 5m
View Details
May 16, 20251.1t CO₂
KSLNSalina
KRVSTulsa
211 miles55m
View Details
May 15, 20251.4t CO₂
KSLNSalina
KRVSTulsa
211 miles1h 6m
View Details
May 14, 20251.3t CO₂
KSLNSalina
KRVSTulsa
211 miles1h 1m
View Details
May 12, 20252.8t CO₂
KPHXPhoenix
KRVSTulsa
925 miles1h 56m
View Details
Mar 21, 20250.5t CO₂
KOJCOlathe
KRVSTulsa
206 miles30m
View Details
Jan 26, 20252.4t CO₂
KPHXPhoenix
KRVSTulsa
925 miles1h 41m
View Details
Jan 23, 20253.2t CO₂
KAAOWichita
KPHXPhoenix
880 miles2h 10m
View Details
Jan 23, 20250.5t CO₂
KRVSTulsa
KAAOWichita
137 miles24m
View Details
Top Airports by Emissions
Phoenix

Phoenix

KPHX

Total CO₂

22.3t

Total Visits

9

Avg CO₂/visit

2.5t

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

Tulsa

KRVS

Total CO₂

22.1t

Total Visits

12

Avg CO₂/visit

1.8t

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

New Orleans

KNEW

Total CO₂

5.4t

Total Visits

2

Avg CO₂/visit

2.7t

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

Austin

KAUS

Total CO₂

4.6t

Total Visits

2

Avg CO₂/visit

2.3t

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

Salina

KSLN

Total CO₂

3.8t

Total Visits

3

Avg CO₂/visit

1.3t

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

George Town

MWCR

Total CO₂

3.4t

Total Visits

1

Avg CO₂/visit

3.4t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2
Top Routes by Emissions
Phoenix Tulsa

KPHX to KRVS926 miles

Total Flights

4

Avg CO₂/Flight

3.0t

Total Emissions

12t CO₂

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

KSLN to KRVS211 miles

Total Flights

3

Avg CO₂/Flight

1.3t

Total Emissions

3.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
George Town New Orleans

MWCR to KNEW920 miles

Total Flights

1

Avg CO₂/Flight

3.4t

Total Emissions

3.4t CO₂

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

KAUS to KPHX870 miles

Total Flights

1

Avg CO₂/Flight

3.4t

Total Emissions

3.4t CO₂

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

KHHF to KPHX680 miles

Total Flights

1

Avg CO₂/Flight

2.6t

Total Emissions

2.6t CO₂

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

KPHX to KICT868 miles

Total Flights

1

Avg CO₂/Flight

2.6t

Total Emissions

2.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3