CarbonSkyIndex
BNA
PWK

Nashville → Chicago/Prospect Heights/Wheeling

1h 11m avg · 419 miles · 364nm · Recently active route — first recorded March 2026

13.8t CO₂ · Last 30 DaysTypical

Last updated March 31st 2026 at 9:35 AM UTC

Pro
Soon
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
13.8tons
Flights
5flights
Avg CO₂/Flight
2.3tons
CO₂/nm
0.0063t CO₂/nm
Fuel Burned
1Kgallons
13.9 tons CO₂ in selected period
Emissions spike detected
Emissions 55% above route average on 17 Mar

Route Patterns

Predominantly charter activity — 100% of flights on this route are charter-operated

13.8t
Total CO₂
1.7t
Avg CO₂/flight
8
Flights
Operator Profile
Charter
100%5 flights9.8t
Owner
0%0 flights0.0t

Charter/owner data available for 63% of flights (3 unclassified)

Top Aircraft Models
Cessna Citation Latitude5.9t CO₂
3 flights · avg 2.0t/flight · 43%
Bombardier Learjet 452.2t CO₂
1 flight · avg 2.2t/flight · 16%
Bombardier Challenger 3002.2t CO₂
1 flight · avg 2.2t/flight · 16%
Embraer Phenom 3001.9t CO₂
1 flight · avg 1.9t/flight · 14%
Cessna Citation XLS1.6t CO₂
1 flight · avg 1.6t/flight · 12%
📍International route·short-haul route · 364nm

Spikes

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

CO₂ Above Baseline

9t

Signals Detected

2

Highest Severity

High

Emissions
High
New14 Mar – 20 Mar 2026
Emissions spike on 14 Mar – 20 Mar 2026 — 5.9t CO₂ vs route average of 3.5t
5.9t CO₂ in 6 days — 1.7× route baseline
Activity
Medium
Historical1 Mar – 17 Mar 2026
16-day gap in route activity ending 17 Mar 2026 — resumed with N585QS
Resumption flight: 2.7t CO₂

Aircraft Flying This Route

Aircraft Flying This Route
N585QSCharter·Cessna Citation Latitude
2.7t CO₂ · avg 2.7t/flight · Last seen 17 Mar 2026
N949QSCharter·Cessna Citation Latitude
2.4t CO₂ · avg 2.4t/flight · Last seen 18 Mar 2026
N475LSCharter·Bombardier Learjet 45
2.2t CO₂ · avg 2.2t/flight · Last seen 20 Mar 2026
N841JSCharter·Cessna Citation XLS
1.6t CO₂ · avg 1.6t/flight · Last seen 1 Mar 2026
N959QSCharter·Cessna Citation Latitude
0.9t CO₂ · avg 0.9t/flight · Last seen 19 Mar 2026

All Recorded Flights on This Route

8 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 29, 2026N528FXBombardier Challenger 300·2.2t CO₂Above avg1h 3m→
Mar 26, 2026N389FXEmbraer Phenom 300·1.9t CO₂Typical1h 27m→
Mar 24, 2026N917FFHawker 800·–1h 5m→
Mar 20, 2026N475LSBombardier Learjet 45·2.2t CO₂Above avg1h 26m→
Mar 19, 2026N959QSCessna Citation Latitude·0.9t CO₂Below avg35m→
Mar 18, 2026N949QSCessna Citation Latitude·2.4t CO₂Above avg1h 20m→
Mar 17, 2026N585QSCessna Citation Latitude·2.7t CO₂Above avg1h 28m→
Mar 1, 2026N841JSCessna Citation XLS·1.6t CO₂Typical1h 5m→