CarbonSkyIndex
SFO
IAD

San Francisco → Washington

4h 31m avg · 2,413 miles · 2097nm · Recently active route — first recorded March 2026

146.6t 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
146.6tons
Flights
7flights
Avg CO₂/Flight
11.9tons
CO₂/nm
0.0057t CO₂/nm
Fuel Burned
9Kgallons
146.5 tons CO₂ in selected period
Emissions spike detected
Emissions 75% above route average on 3 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 12.2t CO₂ per flight

146.6t
Total CO₂
12.2t
Avg CO₂/flight
12
Flights
Operator Profile
Charter
60%3 flights42.9t
Owner
40%2 flights22.2t

Charter/owner data available for 42% of flights (7 unclassified)

Top Aircraft Models
Bombardier Challenger 30061.7t CO₂
5 flights · avg 12.3t/flight · 42%
Cessna Citation X30.9t CO₂
2 flights · avg 15.4t/flight · 21%
Gulfstream GIV17.9t CO₂
1 flight · avg 17.9t/flight · 12%
Embraer Legacy 45011.7t CO₂
1 flight · avg 11.7t/flight · 8%
Cessna Citation Longitude10.8t CO₂
1 flight · avg 10.8t/flight · 7%
📍US West → US Northeast·long-haul route · 2,097nm

Spikes

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

CO₂ Above Baseline

23t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New3 Mar 2026
Emissions spike on 3 Mar 2026 — 28.5t CO₂ vs route daily average of 5.1t (459% above)
28.5t CO₂ on 3 Mar 2026 — 459% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N59APCharter·Gulfstream GIV
17.9t CO₂ · avg 17.9t/flight · Last seen 3 Mar 2026
N706QSCharter·Bombardier Challenger 300
14.6t CO₂ · avg 14.6t/flight · Last seen 4 Mar 2026
N272QS·Embraer Legacy 450
11.7t CO₂ · avg 11.7t/flight · Last seen 4 Mar 2026
N604KE·Bombardier Challenger 600
10.5t CO₂ · avg 10.5t/flight · Last seen 3 Mar 2026
N792QSCharter·Bombardier Challenger 300
10.4t CO₂ · avg 10.4t/flight · Last seen 2 Mar 2026

All Recorded Flights on This Route

12 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 26, 2026N214WTCessna Citation X·15.6t CO₂Above avg5h 5m→
Mar 25, 2026N8168Cessna Citation X·15.3t CO₂Above avg5h 1m→
Mar 25, 2026N881QSCessna Citation Longitude·10.8t CO₂Typical4h 17m→
Mar 18, 2026N883TRBombardier Challenger 300·13.4t CO₂Typical5h 24m→
Mar 16, 2026N553FXBombardier Challenger 300·12.0t CO₂Typical4h 51m→
Mar 13, 2026N652BAGulfstream G650·3.1t CO₂Below avg51m→
Mar 9, 2026N560FXBombardier Challenger 300·11.2t CO₂Typical4h 32m→
Mar 4, 2026N272QSEmbraer Legacy 450·11.7t CO₂Typical5h 39m→
Mar 4, 2026N706QSBombardier Challenger 300·14.6t CO₂Typical5h 50m→
Mar 3, 2026N59APGulfstream GIV·17.9t CO₂Above avg4h 14m→
Showing 10 of 12 flights