CarbonSkyIndex
BFI
FAI

Seattle → Fairbanks

3h 11m avg · 1,524 miles · 1324nm · Recently active route — first recorded March 2026

47.8t 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
47.8tons
Flights
3flights
Avg CO₂/Flight
6.5tons
CO₂/nm
0.0049t CO₂/nm
Fuel Burned
2Kgallons
47.8 tons CO₂ in selected period
Emissions spike detected
Emissions 112% above route average on 25 Mar

Route Patterns

Predominantly charter activity — 75% of flights on this route are charter-operated

47.8t
Total CO₂
6.0t
Avg CO₂/flight
8
Flights
Operator Profile
Charter
75%6 flights34.6t
Owner
25%2 flights13.1t
Top Aircraft Models
Bombardier Learjet 4527.7t CO₂
5 flights · avg 5.5t/flight · 58%
Bombardier Challenger 3008.0t CO₂
1 flight · avg 8.0t/flight · 17%
Cessna Citation Longitude6.9t CO₂
1 flight · avg 6.9t/flight · 14%
Pilatus PC-245.1t CO₂
1 flight · avg 5.1t/flight · 11%
📍International route·medium-haul route · 1,324nm

Spikes

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

CO₂ Above Baseline

4t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New8 Mar 2026
Emissions spike on 8 Mar 2026 — 6.9t CO₂ vs route daily average of 2.4t (183% above)
6.9t CO₂ on 8 Mar 2026 — 183% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N557LMCharter·Bombardier Learjet 45
22.1t CO₂ · avg 5.5t/flight · Last seen 25 Mar 2026
N29HG·Bombardier Challenger 300
8.0t CO₂ · avg 8.0t/flight · Last seen 19 Mar 2026
N801QSCharter·Cessna Citation Longitude
6.9t CO₂ · avg 6.9t/flight · Last seen 8 Mar 2026
N385MHCharter·Bombardier Learjet 45
5.6t CO₂ · avg 5.6t/flight · Last seen 25 Mar 2026
N254PV·Pilatus PC-24
5.1t CO₂ · avg 5.1t/flight · Last seen 21 Mar 2026

All Recorded Flights on This Route

8 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 25, 2026N385MHBombardier Learjet 45·5.6t CO₂Typical3h 11m→
Mar 25, 2026N557LMBombardier Learjet 45·5.7t CO₂Typical3h 15m→
Mar 25, 2026N557LMBombardier Learjet 45·5.5t CO₂Typical3h 9m→
Mar 21, 2026N254PVPilatus PC-24·5.1t CO₂Typical3h 31m→
Mar 19, 2026N29HGBombardier Challenger 300·8.0t CO₂Above avg3h 18m→
Mar 11, 2026N557LMBombardier Learjet 45·5.1t CO₂Typical2h 55m→
Mar 10, 2026N557LMBombardier Learjet 45·5.8t CO₂Typical3h 17m→
Mar 8, 2026N801QSCessna Citation Longitude·6.9t CO₂Typical2h 50m→