MDW
STL
Chicago → St Louis
0h 47m avg · 252 miles · 219nm · Recently active route — first recorded March 2026
40.9t CO₂ · Last 30 DaysTypical
Last updated March 31st 2026 at 9:35 AM UTC
Pro
Soon
Viewing period:
Compared to: preceding 30 days · 31 Jan 2026 – 2 Mar 20262 Mar 2026 – 1 Apr 2026·vs 31 Jan 2026 – 2 Mar 2026
Route Impact Summary
Total CO₂
40.9tons
Flights
12flights
Avg CO₂/Flight
1.5tons
CO₂/nm
0.0068t CO₂/nm
Fuel Burned
3Kgallons
41.1 tons CO₂ in selected period
Emissions spike detected
Emissions 115% above route average on 26 Mar
Route Patterns
Predominantly owner-operated — 92% of flights are owner-operated aircraft
40.9t
Total CO₂
1.5t
Avg CO₂/flight
28
Flights
Operator Profile
Charter
8%1 flight0.8t
Owner
92%11 flights17.8t
Charter/owner data available for 43% of flights (16 unclassified)
Top Aircraft Models
Bombardier Challenger 35011.0t CO₂
7 flights · avg 1.6t/flight · 27%
Cessna Citation Latitude10.2t CO₂
7 flights · avg 1.5t/flight · 25%
Bombardier Challenger 3007.2t CO₂
5 flights · avg 1.4t/flight · 18%
Bombardier Global Express3.3t CO₂
1 flight · avg 3.3t/flight · 8%
Embraer Phenom 3002.6t CO₂
3 flights · avg 0.9t/flight · 6%
📍International route·short-haul route · 219nm
Spikes
Significant deviations from this route's baseline in the selected period.
CO₂ Above Baseline
2t
Signals Detected
1
Highest Severity
Medium
Emissions
MediumNew4 Mar 2026
Emissions spike on 4 Mar 2026 — 3.3t CO₂ vs route daily average of 1.5t (119% above)
3.3t CO₂ on 4 Mar 2026 — 119% above route average
Aircraft Flying This Route
Aircraft Flying This Route
8.1t CO₂ · avg 1.6t/flight · Last seen 27 Mar 2026
4.0t CO₂ · avg 1.3t/flight · Last seen 20 Mar 2026
3.3t CO₂ · avg 3.3t/flight · Last seen 4 Mar 2026
2.5t CO₂ · avg 1.3t/flight · Last seen 26 Mar 2026
0.8t CO₂ · avg 0.8t/flight · Last seen 3 Mar 2026