CarbonSkyIndex
SJC
MDW

San Jose → Chicago

4h 28m avg · 1,834 miles · 1594nm · Recently active route — first recorded March 2026

146.4t 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
146.4tons
Flights
7flights
Avg CO₂/Flight
10.8tons
CO₂/nm
0.0068t CO₂/nm
Fuel Burned
8Kgallons
146.4 tons CO₂ in selected period
Emissions spike detected
Emissions 252% above route average on 2 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 13.3t CO₂ per flight

146.4t
Total CO₂
13.3t
Avg CO₂/flight
11
Flights
Operator Profile
Charter
67%4 flights67.0t
Owner
33%2 flights16.0t

Charter/owner data available for 55% of flights (5 unclassified)

Top Aircraft Models
Bombardier Global 6000/650052.1t CO₂
2 flights · avg 26.0t/flight · 36%
Cessna Citation Latitude42.5t CO₂
4 flights · avg 10.6t/flight · 29%
Gulfstream G65014.9t CO₂
1 flight · avg 14.9t/flight · 10%
Bombardier Challenger 30014.2t CO₂
2 flights · avg 7.1t/flight · 10%
Gulfstream G60014.0t CO₂
1 flight · avg 14.0t/flight · 10%
📍US West → US Central·medium-haul route · 1,594nm

Spikes

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

CO₂ Above Baseline

49t

Signals Detected

1

Highest Severity

High

Emissions
High
New2 Mar 2026
Emissions spike on 2 Mar 2026 — 57.3t CO₂ vs route daily average of 8.1t (609% above)
57.3t CO₂ on 2 Mar 2026 — 609% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N142QSCharter·Bombardier Global 6000/6500
52.1t CO₂ · avg 26.0t/flight · Last seen 2 Mar 2026
N521QSCharter·Cessna Citation Latitude
9.7t CO₂ · avg 9.7t/flight · Last seen 3 Mar 2026
N929WG·Gulfstream G280
8.7t CO₂ · avg 8.7t/flight · Last seen 1 Mar 2026
N985QS·Cessna Citation Latitude
7.3t CO₂ · avg 7.3t/flight · Last seen 4 Mar 2026
N755QSCharter·Bombardier Challenger 300
5.2t CO₂ · avg 5.2t/flight · Last seen 2 Mar 2026

All Recorded Flights on This Route

11 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 13, 2026N1955MGulfstream G600·14.0t CO₂Typical3h 21m→
Mar 11, 2026N307JEBombardier Challenger 300·8.9t CO₂Below avg3h 39m→
Mar 9, 2026N929QSCessna Citation Latitude·18.3t CO₂Above avg9h 4m→
Mar 6, 2026N635QSCessna Citation Latitude·7.3t CO₂Below avg3h 44m→
Mar 5, 2026N687GSGulfstream G650·14.9t CO₂Typical3h 23m→
Mar 4, 2026N985QSCessna Citation Latitude·7.3t CO₂Below avg3h 42m→
Mar 3, 2026N521QSCessna Citation Latitude·9.7t CO₂Below avg4h 53m→
Mar 2, 2026N142QSBombardier Global 6000/6500·14.3t CO₂Typical3h 18m→
Mar 2, 2026N755QSBombardier Challenger 300·5.2t CO₂Below avg2h 14m→
Mar 2, 2026N142QSBombardier Global 6000/6500·37.7t CO₂Above avg8h 24m→
Showing 10 of 11 flights