CarbonSkyIndex
MDW
BZN

Chicago → Bozeman

2h 32m avg · 1,195 miles · 1038nm · Recently active route — first recorded March 2026

61.9t 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
61.9tons
Flights
6flights
Avg CO₂/Flight
6.2tons
CO₂/nm
0.0060t CO₂/nm
Fuel Burned
4Kgallons
61.9 tons CO₂ in selected period
Emissions spike detected
Emissions 124% above route average on 29 Mar

Route Patterns

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

61.9t
Total CO₂
6.2t
Avg CO₂/flight
10
Flights
Operator Profile
Charter
86%6 flights38.2t
Owner
14%1 flight4.0t

Charter/owner data available for 70% of flights (3 unclassified)

Top Aircraft Models
Bombardier Challenger 30028.8t CO₂
5 flights · avg 5.8t/flight · 47%
Embraer Praetor 50014.0t CO₂
2 flights · avg 7.0t/flight · 23%
Gulfstream GIV9.4t CO₂
1 flight · avg 9.4t/flight · 15%
Bombardier Challenger 6005.6t CO₂
1 flight · avg 5.6t/flight · 9%
Bombardier Learjet 454.0t CO₂
1 flight · avg 4.0t/flight · 6%
📍International route·medium-haul route · 1,038nm

Spikes

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

CO₂ Above Baseline

31t

Signals Detected

1

Highest Severity

High

Emissions
High
Developing23 Mar – 29 Mar 2026
Emissions spike on 23 Mar – 29 Mar 2026 — 31.2t CO₂ vs route average of 19.6t
31.2t CO₂ in 6 days — 1.6× route baseline

Aircraft Flying This Route

Aircraft Flying This Route
N123JKCharter·Bombardier Challenger 300
13.3t CO₂ · avg 6.7t/flight · Last seen 29 Mar 2026
N101NYCharter·Gulfstream GIV
9.4t CO₂ · avg 9.4t/flight · Last seen 23 Mar 2026
N508XJCharter·Bombardier Challenger 300
8.7t CO₂ · avg 4.4t/flight · Last seen 18 Mar 2026
N580FXCharter·Bombardier Challenger 300
6.8t CO₂ · avg 6.8t/flight · Last seen 7 Mar 2026
N145LR·Bombardier Learjet 45
4.0t CO₂ · avg 4.0t/flight · Last seen 23 Mar 2026

All Recorded Flights on This Route

10 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 29, 2026N123JKBombardier Challenger 300·5.7t CO₂Typical2h 25m→
Mar 29, 2026N264FXEmbraer Praetor 500·7.2t CO₂Typical3h 8m→
Mar 29, 2026N319FXEmbraer Praetor 500·6.8t CO₂Typical2h 59m→
Mar 26, 2026N123JKBombardier Challenger 300·7.6t CO₂Above avg3h 9m→
Mar 25, 2026N955TMBombardier Challenger 600·5.6t CO₂Typical2h 22m→
Mar 23, 2026N145LRBombardier Learjet 45·4.0t CO₂Below avg2h 21m→
Mar 23, 2026N101NYGulfstream GIV·9.4t CO₂Above avg2h 17m→
Mar 18, 2026N508XJBombardier Challenger 300·1.7t CO₂Below avg53m→
Mar 8, 2026N508XJBombardier Challenger 300·7.0t CO₂Typical2h 54m→
Mar 7, 2026N580FXBombardier Challenger 300·6.8t CO₂Typical2h 49m→