CarbonSkyIndex
BFI
TUS

Seattle → Tucson

2h 42m avg · 1,221 miles · 1061nm · Recently active route — first recorded March 2026

81.0t 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
81.0tons
Flights
9flights
Avg CO₂/Flight
6.6tons
CO₂/nm
0.0062t CO₂/nm
Fuel Burned
6Kgallons
81.1 tons CO₂ in selected period
Emissions spike detected
Emissions 94% above route average on 22 Mar

Route Patterns

Predominantly owner-operated — 80% of flights are owner-operated aircraft

81.0t
Total CO₂
6.8t
Avg CO₂/flight
12
Flights
Operator Profile
Charter
20%2 flights17.6t
Owner
80%8 flights48.6t

Charter/owner data available for 83% of flights (2 unclassified)

Top Aircraft Models
Bombardier Challenger 60044.0t CO₂
7 flights · avg 6.3t/flight · 54%
Bombardier Challenger 30012.3t CO₂
2 flights · avg 6.1t/flight · 15%
Cessna Citation Longitude10.1t CO₂
1 flight · avg 10.1t/flight · 12%
Gulfstream GIV10.0t CO₂
1 flight · avg 10.0t/flight · 12%
Cessna Citation Latitude4.7t CO₂
1 flight · avg 4.7t/flight · 6%
📍International route·medium-haul route · 1,061nm

Spikes

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

CO₂ Above Baseline

4t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New1 Mar 2026
Emissions spike on 1 Mar 2026 — 6.3t CO₂ vs route daily average of 2.8t (129% above)
6.3t CO₂ on 1 Mar 2026 — 129% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N696HS·Bombardier Challenger 600
30.1t CO₂ · avg 6.0t/flight · Last seen 30 Mar 2026
N443DB·Bombardier Challenger 300
12.3t CO₂ · avg 6.1t/flight · Last seen 25 Mar 2026
N467FXCharter·Gulfstream GIV
10.0t CO₂ · avg 10.0t/flight · Last seen 6 Mar 2026
N237QSCharter·Bombardier Challenger 600
7.7t CO₂ · avg 7.7t/flight · Last seen 11 Mar 2026
N604WA·Bombardier Challenger 600
6.3t CO₂ · avg 6.3t/flight · Last seen 1 Mar 2026

All Recorded Flights on This Route

12 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 30, 2026N696HSBombardier Challenger 600·6.6t CO₂Typical2h 46m→
Mar 28, 2026N696HSBombardier Challenger 600·5.9t CO₂Typical2h 29m→
Mar 25, 2026N443DBBombardier Challenger 300·6.6t CO₂Typical2h 46m→
Mar 22, 2026N443DBBombardier Challenger 300·5.6t CO₂Typical2h 23m→
Mar 22, 2026N884QSCessna Citation Longitude·10.1t CO₂Above avg4h 1m→
Mar 21, 2026N696HSBombardier Challenger 600·5.9t CO₂Typical2h 29m→
Mar 21, 2026N696HSBombardier Challenger 600·6.1t CO₂Typical2h 34m→
Mar 14, 2026N696HSBombardier Challenger 600·5.6t CO₂Typical2h 21m→
Mar 13, 2026N578QSCessna Citation Latitude·4.7t CO₂Below avg2h 26m→
Mar 11, 2026N237QSBombardier Challenger 600·7.7t CO₂Typical3h 10m→
Showing 10 of 12 flights