CarbonSkyIndex
BOS
SFO

Boston → San Francisco

5h 16m avg · 2,697 miles · 2344nm · Recently active route — first recorded March 2026

211.2t 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
211.2tons
Flights
4flights
Avg CO₂/Flight
15.7tons
CO₂/nm
0.0067t CO₂/nm
Fuel Burned
7Kgallons
211.2 tons CO₂ in selected period
Emissions spike detected
Emissions 85% above route average on 10 Mar

Route Patterns

Predominantly charter activity — 80% of flights on this route are charter-operated

211.2t
Total CO₂
15.1t
Avg CO₂/flight
14
Flights
Operator Profile
Charter
80%4 flights57.4t
Owner
20%1 flight12.7t

Charter/owner data available for 36% of flights (9 unclassified)

Top Aircraft Models
Bombardier Challenger 30072.4t CO₂
5 flights · avg 14.5t/flight · 34%
Cessna Citation Longitude52.9t CO₂
4 flights · avg 13.2t/flight · 25%
Gulfstream GIV41.0t CO₂
2 flights · avg 20.5t/flight · 19%
Gulfstream GV33.8t CO₂
2 flights · avg 16.9t/flight · 16%
Embraer Praetor 50011.2t CO₂
1 flight · avg 11.2t/flight · 5%
📍US Northeast → US West·long-haul route · 2,344nm

Spikes

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

CO₂ Above Baseline

25t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New10 Mar 2026
Emissions spike on 10 Mar 2026 — 32.6t CO₂ vs route daily average of 7.9t (314% above)
32.6t CO₂ on 10 Mar 2026 — 314% above route average

Aircraft Flying This Route

Aircraft Flying This Route
OE-IISCharter·Gulfstream GV
16.5t CO₂ · avg 16.5t/flight · Last seen 4 Mar 2026
N588FXCharter·Bombardier Challenger 300
16.2t CO₂ · avg 16.2t/flight · Last seen 3 Mar 2026
N726QSCharter·Bombardier Challenger 300
13.1t CO₂ · avg 13.1t/flight · Last seen 7 Mar 2026
N884QS·Cessna Citation Longitude
12.7t CO₂ · avg 12.7t/flight · Last seen 6 Mar 2026
N509FXCharter·Bombardier Challenger 300
11.7t CO₂ · avg 11.7t/flight · Last seen 2 Mar 2026

All Recorded Flights on This Route

14 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 26, 2026N586FXBombardier Challenger 300·15.6t CO₂Typical6h 13m→
Mar 22, 2026N444QGGulfstream GIV·20.4t CO₂Above avg4h 48m→
Mar 20, 2026N226SLGulfstream GV·17.3t CO₂Typical4h 50m→
Mar 16, 2026N575MWBombardier Challenger 300·15.8t CO₂Typical6h 19m→
Mar 16, 2026N879QSCessna Citation Longitude·15.1t CO₂Typical5h 56m→
Mar 13, 2026N859QSCessna Citation Longitude·13.0t CO₂Typical5h 9m→
Mar 12, 2026C-GASKEmbraer Praetor 500·11.2t CO₂Below avg4h 47m→
Mar 10, 2026N832QSCessna Citation Longitude·12.1t CO₂Below avg4h 47m→
Mar 10, 2026N415MAGulfstream GIV·20.6t CO₂Above avg4h 50m→
Mar 7, 2026N726QSBombardier Challenger 300·13.1t CO₂Typical5h 15m→
Showing 10 of 14 flights