CarbonSkyIndex
AUS
SJU

Austin → San Juan

4h 33m avg · 2,144 miles · 1863nm · Recently active route — first recorded March 2026

25.1t CO₂ · Last 30 DaysTypical

Last updated February 25th 2026 at 4:29 PM UTC

Pro
Soon
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
25.1tons
Flights
1flights
Avg CO₂/Flight
13.3tons
CO₂/nm
0.0071t CO₂/nm
Fuel Burned
1Kgallons
25.1 tons CO₂ in selected period
Route activity detected
1 flights in the last 30 days

Route Patterns

Predominantly charter activity — 100% of flights on this route are charter-operated

25.1t
Total CO₂
12.5t
Avg CO₂/flight
2
Flights
Operator Profile
Charter
100%2 flights25.1t
Owner
0%0 flights0.0t
Top Aircraft Models
Cessna Citation X13.8t CO₂
1 flight · avg 13.8t/flight · 55%
Bombardier Challenger 30011.3t CO₂
1 flight · avg 11.3t/flight · 45%
📍International route·medium-haul route · 1,863nm

Spikes

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

CO₂ Above Baseline

24t

Signals Detected

2

Highest Severity

High

Emissions
High
New5 Mar 2026
Emissions spike on 5 Mar 2026 — 11.3t CO₂ vs route daily average of 1.1t (957% above)
11.3t CO₂ on 5 Mar 2026 — 957% above route average
Emissions
High
New19 Mar 2026
Single flight N187CR on 19 Mar 2026 — 13.8t CO₂, 55% of period total
Single flight: 13.8t CO₂ — 55% of period emissions

Aircraft Flying This Route

Aircraft Flying This Route
N187CRCharter·Cessna Citation X
13.8t CO₂ · avg 13.8t/flight · Last seen 19 Mar 2026
N596FXCharter·Bombardier Challenger 300
11.3t CO₂ · avg 11.3t/flight · Last seen 5 Mar 2026

All Recorded Flights on This Route

2 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 19, 2026N187CRCessna Citation X·13.8t CO₂4h 33m→
Mar 5, 2026N596FXBombardier Challenger 300·11.3t CO₂4h 33m→