CarbonSkyIndex
AUS
MDW

Austin → Chicago

2h 28m avg · 973 miles · 846nm · Recently active route — first recorded March 2026

88.5t 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
88.5tons
Flights
9flights
Avg CO₂/Flight
5.7tons
CO₂/nm
0.0067t CO₂/nm
Fuel Burned
6Kgallons
88.5 tons CO₂ in selected period
Emissions spike detected
Emissions 152% above route average on 17 Mar

Route Patterns

Predominantly charter activity — 86% of flights on this route are charter-operated

88.5t
Total CO₂
5.2t
Avg CO₂/flight
17
Flights
Operator Profile
Charter
86%6 flights28.8t
Owner
14%1 flight4.9t

Charter/owner data available for 41% of flights (10 unclassified)

Top Aircraft Models
Cessna Citation Latitude18.2t CO₂
3 flights · avg 6.1t/flight · 21%
Cessna Citation III/VI/VII17.7t CO₂
4 flights · avg 4.4t/flight · 20%
Cessna Citation Longitude13.4t CO₂
3 flights · avg 4.5t/flight · 15%
Cessna Citation X11.6t CO₂
1 flight · avg 11.6t/flight · 13%
Bombardier Challenger 3005.6t CO₂
1 flight · avg 5.6t/flight · 6%
📍International route·medium-haul route · 846nm

Spikes

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

CO₂ Above Baseline

28t

Signals Detected

1

Highest Severity

High

Emissions
High
New11 Mar – 17 Mar 2026
Emissions spike on 11 Mar – 17 Mar 2026 — 27.5t CO₂ vs route average of 21.6t
27.5t CO₂ in 6 days — 1.3× route baseline

Aircraft Flying This Route

Aircraft Flying This Route
N650WCharter·Cessna Citation III/VI/VII
13.3t CO₂ · avg 4.4t/flight · Last seen 19 Mar 2026
N916QSCharter·Cessna Citation Latitude
7.0t CO₂ · avg 7.0t/flight · Last seen 7 Mar 2026
N887QS·Cessna Citation Longitude
4.9t CO₂ · avg 4.9t/flight · Last seen 2 Mar 2026
N327FXCharter·Embraer Legacy 450
4.8t CO₂ · avg 4.8t/flight · Last seen 8 Mar 2026
N671QSCharter·Cessna Citation Latitude
3.7t CO₂ · avg 3.7t/flight · Last seen 11 Mar 2026

All Recorded Flights on This Route

17 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 30, 2026N293CKEmbraer Phenom 300·3.3t CO₂Below avg2h 21m→
Mar 28, 2026N304LHCessna Citation Latitude·7.5t CO₂Above avg3h 49m→
Mar 23, 2026N404BYCessna Citation III/VI/VII·4.4t CO₂Typical2h 13m→
Mar 20, 2026N567FXBombardier Challenger 300·5.6t CO₂Typical2h 22m→
Mar 19, 2026N650WCessna Citation III/VI/VII·3.8t CO₂Below avg1h 57m→
Mar 18, 2026N650WCessna Citation III/VI/VII·3.8t CO₂Below avg1h 57m→
Mar 17, 2026N814QSCessna Citation Longitude·5.6t CO₂Typical2h 19m→
Mar 17, 2026N955TMBombardier Challenger 600·4.6t CO₂Typical1h 60m→
Mar 17, 2026N650WCessna Citation III/VI/VII·5.7t CO₂Typical2h 46m→
Mar 16, 2026N820NCCessna Citation CJ3·3.8t CO₂Below avg2h 33m→
Showing 10 of 17 flights