CarbonSkyIndex
SAT
MDW

San Antonio → Chicago

2h 14m avg · 1,037 miles · 901nm · Recently active route — first recorded March 2026

23.2t 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
23.2tons
Flights
4flights
Avg CO₂/Flight
4.7tons
CO₂/nm
0.0052t CO₂/nm
Fuel Burned
2Kgallons
23.1 tons CO₂ in selected period
Route activity detected
4 flights in the last 30 days

Route Patterns

Hawker 4000 dominates this route — 68% of all emissions in the selected period

23.2t
Total CO₂
4.6t
Avg CO₂/flight
5
Flights
Operator Profile
Charter
40%2 flights7.5t
Owner
60%3 flights15.7t
Top Aircraft Models
Hawker 400015.7t CO₂
3 flights · avg 5.2t/flight · 68%
Bombardier Learjet 457.5t CO₂
2 flights · avg 3.7t/flight · 32%
📍International route·medium-haul route · 901nm

Spikes

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

CO₂ Above Baseline

5t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New4 Mar 2026
Emissions spike on 4 Mar 2026 — 7.5t CO₂ vs route daily average of 2.0t (276% above)
7.5t CO₂ on 4 Mar 2026 — 276% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N46WC·Hawker 4000
15.7t CO₂ · avg 5.2t/flight · Last seen 13 Mar 2026
N426SACharter·Bombardier Learjet 45
7.5t CO₂ · avg 3.7t/flight · Last seen 4 Mar 2026

All Recorded Flights on This Route

5 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 13, 2026N46WCHawker 4000·5.3t CO₂Typical2h 17m→
Mar 12, 2026N46WCHawker 4000·5.2t CO₂Typical2h 14m→
Mar 12, 2026N46WCHawker 4000·5.2t CO₂Typical2h 13m→
Mar 4, 2026N426SABombardier Learjet 45·3.5t CO₂Below avg2h 5m→
Mar 4, 2026N426SABombardier Learjet 45·4.0t CO₂Typical2h 21m→