CarbonSkyIndex
SJC
BOS

San Jose → Boston

5h 8m avg · 2,682 miles · 2331nm · Recently active route — first recorded March 2026

245.8t 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
245.8tons
Flights
8flights
Avg CO₂/Flight
17.3tons
CO₂/nm
0.0074t CO₂/nm
Fuel Burned
15Kgallons
245.7 tons CO₂ in selected period
Route activity detected
8 flights in the last 30 days

Route Patterns

Route activity broadly consistent with prior period — averaging 18.9t CO₂ per flight

245.8t
Total CO₂
18.9t
Avg CO₂/flight
13
Flights
Operator Profile
Charter
56%5 flights97.6t
Owner
44%4 flights90.4t

Mixed charter and owner-operated activity

Charter/owner data available for 69% of flights (4 unclassified)

Top Aircraft Models
Bombardier Global Express47.2t CO₂
2 flights · avg 23.6t/flight · 19%
Bombardier Global 500047.1t CO₂
2 flights · avg 23.5t/flight · 19%
Gulfstream G60043.2t CO₂
2 flights · avg 21.6t/flight · 18%
Cessna Citation X30.9t CO₂
2 flights · avg 15.4t/flight · 13%
Bombardier Global 6000/650019.7t CO₂
1 flight · avg 19.7t/flight · 8%
📍US West → US Northeast·long-haul route · 2,331nm

Spikes

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

CO₂ Above Baseline

10t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New2 Mar 2026
Emissions spike on 2 Mar 2026 — 19.0t CO₂ vs route daily average of 8.7t (119% above)
19.0t CO₂ on 2 Mar 2026 — 119% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N7413B·Bombardier Global Express
47.2t CO₂ · avg 23.6t/flight · Last seen 29 Mar 2026
N130QSCharter·Bombardier Global 5000
47.1t CO₂ · avg 23.5t/flight · Last seen 28 Mar 2026
N246BD·Gulfstream G600
43.2t CO₂ · avg 21.6t/flight · Last seen 6 Mar 2026
N777KTCharter·Cessna Citation X
30.9t CO₂ · avg 15.4t/flight · Last seen 17 Mar 2026
N421QSCharter·Gulfstream GIV
19.6t CO₂ · avg 19.6t/flight · Last seen 5 Mar 2026

All Recorded Flights on This Route

13 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 29, 2026N7413BBombardier Global Express·27.0t CO₂Above avg5h 53m→
Mar 28, 2026N130QSBombardier Global 5000·26.7t CO₂Above avg6h 14m→
Mar 26, 2026N7413BBombardier Global Express·20.2t CO₂Typical4h 27m→
Mar 24, 2026N130QSBombardier Global 5000·20.4t CO₂Typical4h 48m→
Mar 21, 2026N743QSBombardier Challenger 300·12.3t CO₂Below avg4h 58m→
Mar 21, 2026N523ARBombardier Challenger 600·12.4t CO₂Below avg5h 2m→
Mar 17, 2026N777KTCessna Citation X·16.4t CO₂Typical5h 20m→
Mar 16, 2026N50PCDassault Falcon 50·13.3t CO₂Below avg6h 9m→
Mar 15, 2026N777KTCessna Citation X·14.5t CO₂Below avg4h 47m→
Mar 11, 2026N154QSBombardier Global 6000/6500·19.7t CO₂Typical4h 28m→
Showing 10 of 13 flights