CarbonSkyIndex
PHX
SAT

Phoenix → San Antonio

1h 52m avg · 841 miles · 731nm · Recently active route — first recorded March 2026

54.2t CO₂ · Last 30 DaysTypical

Last updated April 1st 2026 at 1:03 PM 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
54.2tons
Flights
6flights
Avg CO₂/Flight
4.0tons
CO₂/nm
0.0055t CO₂/nm
Fuel Burned
3Kgallons
57.6 tons CO₂ in selected period
Emissions spike detected
Emissions 119% above route average on 7 Mar

Route Patterns

Predominantly charter activity — 80% of flights on this route are charter-operated

54.2t
Total CO₂
3.6t
Avg CO₂/flight
15
Flights
Operator Profile
Charter
80%4 flights18.0t
Owner
20%1 flight1.7t

Charter/owner data available for 33% of flights (10 unclassified)

Top Aircraft Models
Cessna Citation Longitude8.7t CO₂
2 flights · avg 4.4t/flight · 16%
Cessna Citation III/VI/VII7.5t CO₂
2 flights · avg 3.8t/flight · 14%
Gulfstream GIV7.3t CO₂
1 flight · avg 7.3t/flight · 14%
Cessna Citation X5.8t CO₂
1 flight · avg 5.8t/flight · 11%
Embraer Praetor 5004.3t CO₂
1 flight · avg 4.3t/flight · 8%
📍International route·medium-haul route · 731nm

Spikes

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

CO₂ Above Baseline

9t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New7 Mar 2026
Emissions spike on 7 Mar 2026 — 10.5t CO₂ vs route daily average of 1.7t (527% above)
10.5t CO₂ on 7 Mar 2026 — 527% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N800GMCharter·Cessna Citation III/VI/VII
7.5t CO₂ · avg 3.8t/flight · Last seen 26 Mar 2026
N907TXCharter·Cessna Citation X
5.8t CO₂ · avg 5.8t/flight · Last seen 7 Mar 2026
N833QSCharter·Cessna Citation Longitude
4.7t CO₂ · avg 4.7t/flight · Last seen 7 Mar 2026
N200SGCharter·Dassault Falcon 50
3.4t CO₂ · avg 3.4t/flight · Last seen 2 Mar 2026
N506P·Embraer Phenom 100
1.7t CO₂ · avg 1.7t/flight · Last seen 4 Mar 2026

All Recorded Flights on This Route

16 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 31, 2026N975QSCessna Citation Latitude·4.1t CO₂Typical2h 10m→
Mar 30, 2026N856QSCessna Citation Longitude·4.1t CO₂Typical1h 44m→
Mar 29, 2026N415FXEmbraer Praetor 500·4.3t CO₂Typical1h 57m→
Mar 28, 2026N617AFHondaJet HA-420·1.9t CO₂Below avg2h 9m→
Mar 26, 2026N95CUEmbraer Legacy 450·3.8t CO₂Typical1h 55m→
Mar 26, 2026N800GMCessna Citation III/VI/VII·3.7t CO₂Typical1h 55m→
Mar 25, 2026N800GMCessna Citation III/VI/VII·3.8t CO₂Typical1h 58m→
Mar 19, 2026N312QSEmbraer Phenom 300·2.8t CO₂Below avg2h 0m→
Mar 19, 2026N350WCCessna Citation V Ultra·2.9t CO₂Typical1h 49m→
Mar 19, 2026N75XLCessna Citation XLS·0.6t CO₂Below avg31m→
Showing 10 of 16 flights