CarbonSkyIndex
TUS
AUS

Tucson → Austin

2h 47m avg · 795 miles · 691nm · Recently active route — first recorded March 2026

41.5t 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 · 30 Jan 2026 – 1 Mar 2026
1 Mar 2026 – 31 Mar 2026·vs 30 Jan 2026 – 1 Mar 2026
Route Impact Summary
Total CO₂
41.5tons
Flights
3flights
Avg CO₂/Flight
3.6tons
CO₂/nm
0.0052t CO₂/nm
Fuel Burned
1Kgallons
45.2 tons CO₂ in selected period
Emissions spike detected
Emissions 120% above route average on 15 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 5.2t CO₂ per flight

41.5t
Total CO₂
5.2t
Avg CO₂/flight
8
Flights
Operator Profile
Charter
40%2 flights16.1t
Owner
60%3 flights9.5t

Charter/owner data available for 63% of flights (3 unclassified)

Top Aircraft Models
Bombardier Challenger 30012.1t CO₂
1 flight · avg 12.1t/flight · 29%
Cessna Citation Sovereign11.1t CO₂
3 flights · avg 3.7t/flight · 27%
Cessna Citation CJ39.9t CO₂
1 flight · avg 9.9t/flight · 24%
Cessna Citation XLS4.1t CO₂
1 flight · avg 4.1t/flight · 10%
Beechcraft Premier I2.4t CO₂
1 flight · avg 2.4t/flight · 6%
📍International route·medium-haul route · 691nm

Spikes

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

CO₂ Above Baseline

23t

Signals Detected

2

Highest Severity

High

Emissions
High
New9 Mar – 15 Mar 2026
Emissions spike on 9 Mar – 15 Mar 2026 — 21.1t CO₂ vs route average of 10.1t
21.1t CO₂ in 6 days — 2.1× route baseline
Activity
Medium
Historical15 Mar – 30 Mar 2026
15-day gap in route activity ending 30 Mar 2026 — resumed with N544JB
Resumption flight: 2.0t CO₂

Aircraft Flying This Route

Aircraft Flying This Route
N509FXCharter·Bombardier Challenger 300
12.1t CO₂ · avg 12.1t/flight · Last seen 7 Mar 2026
N785RC·Cessna Citation Sovereign
7.1t CO₂ · avg 3.6t/flight · Last seen 15 Mar 2026
N377TBCharter·Cessna Citation Sovereign
4.0t CO₂ · avg 4.0t/flight · Last seen 1 Mar 2026
N343ECCharter·Bombardier Learjet 60
3.6t CO₂ · avg 3.6t/flight · Last seen 1 Mar 2026
N500CZ·Beechcraft Premier I
2.4t CO₂ · avg 2.4t/flight · Last seen 2 Mar 2026

All Recorded Flights on This Route

9 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 30, 2026N544JBCessna Citation Mustang·2.0t CO₂Below avg2h 27m→
Mar 15, 2026N325BNCessna Citation CJ3·9.9t CO₂Above avg6h 14m→
Mar 15, 2026N785RCCessna Citation Sovereign·4.3t CO₂Typical2h 1m→
Mar 12, 2026N785RCCessna Citation Sovereign·2.8t CO₂Below avg1h 23m→
Mar 11, 2026N562DDCessna Citation XLS·4.1t CO₂Below avg2h 18m→
Mar 7, 2026N509FXBombardier Challenger 300·12.1t CO₂Above avg4h 52m→
Mar 2, 2026N500CZBeechcraft Premier I·2.4t CO₂Below avg1h 57m→
Mar 1, 2026N377TBCessna Citation Sovereign·4.0t CO₂Below avg1h 54m→
Mar 1, 2026N343ECBombardier Learjet 60·3.6t CO₂Below avg1h 56m→