CarbonSkyIndex
BFI
BJC

Seattle → Denver

2h 12m avg · 1,004 miles · 872nm · Recently active route — first recorded March 2026

48.4t 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
48.4tons
Flights
6flights
Avg CO₂/Flight
5.3tons
CO₂/nm
0.0061t CO₂/nm
Fuel Burned
4Kgallons
48.5 tons CO₂ in selected period
Emissions spike detected
Emissions 67% above route average on 3 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 4.8t CO₂ per flight

48.4t
Total CO₂
4.8t
Avg CO₂/flight
10
Flights
Operator Profile
Charter
57%4 flights20.4t
Owner
43%3 flights12.3t

Mixed charter and owner-operated activity

Charter/owner data available for 70% of flights (3 unclassified)

Top Aircraft Models
Gulfstream GIV8.1t CO₂
1 flight · avg 8.1t/flight · 17%
Cessna Citation Longitude7.7t CO₂
2 flights · avg 3.9t/flight · 16%
Pilatus PC-247.3t CO₂
2 flights · avg 3.7t/flight · 15%
Dassault Falcon 20006.3t CO₂
1 flight · avg 6.3t/flight · 13%
Cessna Citation Latitude5.0t CO₂
1 flight · avg 5.0t/flight · 10%
📍International route·medium-haul route · 872nm

Spikes

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

CO₂ Above Baseline

3t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New1 Mar 2026
Emissions spike on 1 Mar 2026 — 5.0t CO₂ vs route daily average of 1.7t (201% above)
5.0t CO₂ on 1 Mar 2026 — 201% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N236KRCharter·Gulfstream GIV
8.1t CO₂ · avg 8.1t/flight · Last seen 3 Mar 2026
N830QSCharter·Cessna Citation Longitude
7.7t CO₂ · avg 3.9t/flight · Last seen 29 Mar 2026
N8DZ·Pilatus PC-24
7.3t CO₂ · avg 3.7t/flight · Last seen 28 Mar 2026
N989QS·Cessna Citation Latitude
5.0t CO₂ · avg 5.0t/flight · Last seen 1 Mar 2026
N427FXCharter·Embraer Praetor 500
4.6t CO₂ · avg 4.6t/flight · Last seen 4 Mar 2026

All Recorded Flights on This Route

10 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 29, 2026N830QSCessna Citation Longitude·5.8t CO₂Typical2h 24m→
Mar 28, 2026N8DZPilatus PC-24·3.2t CO₂Below avg2h 17m→
Mar 26, 2026N8DZPilatus PC-24·4.2t CO₂Typical2h 54m→
Mar 22, 2026N258GCBombardier Challenger 600·4.7t CO₂Typical2h 0m→
Mar 17, 2026N104QTDassault Falcon 2000·6.3t CO₂Above avg2h 49m→
Mar 9, 2026N576FXBombardier Challenger 300·4.7t CO₂Typical2h 1m→
Mar 8, 2026N830QSCessna Citation Longitude·1.9t CO₂Below avg55m→
Mar 4, 2026N427FXEmbraer Praetor 500·4.6t CO₂Typical2h 3m→
Mar 3, 2026N236KRGulfstream GIV·8.1t CO₂Above avg1h 59m→
Mar 1, 2026N989QSCessna Citation Latitude·5.0t CO₂Typical2h 36m→