CarbonSkyIndex
PHX
APA

Phoenix → Denver

1h 28m avg · 580 miles · 504nm · Recently active route — first recorded March 2026

55.7t CO₂ · Last 30 DaysTypical

Last updated March 31st 2026 at 9:35 AM UTC

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Viewing period:
Compared to: preceding 30 days · 31 Jan 2026 – 2 Mar 2026
2 Mar 2026 – 1 Apr 2026·vs 31 Jan 2026 – 2 Mar 2026
Route Impact Summary
Total CO₂
55.7tons
Flights
8flights
Avg CO₂/Flight
2.3tons
CO₂/nm
0.0046t CO₂/nm
Fuel Burned
2Kgallons
57.5 tons CO₂ in selected period
Emissions spike detected
Emissions 228% above route average on 29 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 2.7t CO₂ per flight

55.7t
Total CO₂
2.7t
Avg CO₂/flight
21
Flights
Operator Profile
Charter
42%5 flights10.7t
Owner
58%7 flights20.4t

Mixed charter and owner-operated activity

Charter/owner data available for 57% of flights (9 unclassified)

Top Aircraft Models
Cessna Citation CJ315.0t CO₂
7 flights · avg 2.1t/flight · 27%
Gulfstream GV9.4t CO₂
2 flights · avg 4.7t/flight · 17%
Bombardier Global 6000/65005.6t CO₂
1 flight · avg 5.6t/flight · 10%
Gulfstream G6005.5t CO₂
1 flight · avg 5.5t/flight · 10%
Cessna Citation III/VI/VII4.5t CO₂
2 flights · avg 2.3t/flight · 8%
📍International route·medium-haul route · 504nm

Spikes

Significant deviations from this route's baseline in the selected period.

CO₂ Above Baseline

2t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New7 Mar 2026
Emissions spike on 7 Mar 2026 — 4.6t CO₂ vs route daily average of 2.2t (114% above)
4.6t CO₂ on 7 Mar 2026 — 114% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N550FR·Gulfstream GV
9.4t CO₂ · avg 4.7t/flight · Last seen 8 Mar 2026
N428BRCharter·Cessna Citation CJ3
8.6t CO₂ · avg 2.1t/flight · Last seen 9 Mar 2026
N175RD·Cessna Citation CJ3
8.3t CO₂ · avg 2.1t/flight · Last seen 28 Mar 2026
N118MM·Cessna Citation III/VI/VII
4.5t CO₂ · avg 2.3t/flight · Last seen 21 Mar 2026
N777QLCharter·Bombardier Learjet 45
2.1t CO₂ · avg 2.1t/flight · Last seen 10 Mar 2026

Recent Flights

22 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 30, 2026N218KFBombardier Challenger 300·3.2t CO₂Above avg1h 27m→
Mar 29, 2026N76PWGulfstream G600·5.5t CO₂Above avg1h 26m→
Mar 29, 2026N770KFBombardier Global 6000/6500·5.6t CO₂Above avg1h 24m→
Mar 28, 2026N175RDCessna Citation CJ3·2.3t CO₂Typical1h 39m→
Mar 27, 2026N175RDCessna Citation CJ3·1.9t CO₂Below avg1h 24m→
Mar 26, 2026N175RDCessna Citation CJ3·2.3t CO₂Typical1h 38m→
Mar 26, 2026N102VRCessna Citation X·3.0t CO₂Typical1h 15m→
Mar 22, 2026N92SBCessna CitationJet·–1h 45m→
Mar 21, 2026N118MMCessna Citation III/VI/VII·2.4t CO₂Typical1h 22m→
Mar 19, 2026N473MMCirrus Vision Jet SF50·1.0t CO₂Below avg2h 0m→
Showing 10 of 22 flights