CarbonSkyIndex
BOS
TYS

Boston → Knoxville

2h 8m avg · 829 miles · 720nm · Recently active route — first recorded March 2026

9.8t 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
9.8tons
Flights
2flights
Avg CO₂/Flight
4.9tons
CO₂/nm
0.0068t CO₂/nm
Fuel Burned
1Kgallons
9.8 tons CO₂ in selected period
Route activity detected
2 flights in the last 30 days

Route Patterns

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

9.8t
Total CO₂
4.9t
Avg CO₂/flight
2
Flights
Operator Profile
Charter
100%2 flights9.8t
Owner
0%0 flights0.0t
Top Aircraft Models
Embraer Praetor 6009.8t CO₂
2 flights · avg 4.9t/flight · 100%
📍International route·medium-haul route · 720nm

Spikes

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

CO₂ Above Baseline

14t

Signals Detected

3

Highest Severity

High

Emissions
High
New12 Mar 2026
Emissions spike on 12 Mar 2026 — 5.0t CO₂ vs route daily average of 0.3t (1455% above)
5.0t CO₂ on 12 Mar 2026 — 1455% above route average
Emissions
High
New12 Mar 2026
Single flight N603FX on 12 Mar 2026 — 5.0t CO₂, 51% of period total
Single flight: 5.0t CO₂ — 51% of period emissions
Activity
Medium
Historical12 Mar – 28 Mar 2026
16-day gap in route activity ending 28 Mar 2026 — resumed with N357EE
Resumption flight: 4.8t CO₂

Aircraft Flying This Route

Aircraft Flying This Route
N603FXCharter·Embraer Praetor 600
5.0t CO₂ · avg 5.0t/flight · Last seen 12 Mar 2026
N357EECharter·Embraer Praetor 600
4.8t CO₂ · avg 4.8t/flight · Last seen 28 Mar 2026

All Recorded Flights on This Route

2 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 28, 2026N357EEEmbraer Praetor 600·4.8t CO₂2h 6m→
Mar 12, 2026N603FXEmbraer Praetor 600·5.0t CO₂2h 11m→