STL
BFI

St LouisSeattle

2h 35m avg · 1,706 miles · 1482nm · Recently active route — first recorded March 2026

12.3t 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
12.3tons
Flights
1flights
Avg CO₂/Flight
10.4tons
CO₂/nm
0.0070t CO₂/nm
Fuel Burned
1Kgallons
12.3 tons CO₂ in selected period
Emissions spike detected
Emissions 69% above route average on 10 Mar

Route Patterns

Bombardier Challenger 600 dominates this route — 85% of all emissions in the selected period

12.3t
Total CO₂
6.1t
Avg CO₂/flight
2
Flights
Operator Profile
Charter
50%1 flight1.9t
Owner
50%1 flight10.4t

Mixed charter and owner-operated activity

Top Aircraft Models
Bombardier Challenger 60010.4t CO₂
1 flight · avg 10.4t/flight · 85%
Bombardier Challenger 3001.9t CO₂
1 flight · avg 1.9t/flight · 15%
📍International route·medium-haul route · 1,482nm

Spikes

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

CO₂ Above Baseline

19t

Signals Detected

2

Highest Severity

High

Emissions
High
New10 Mar 2026
Emissions spike on 10 Mar 2026 — 10.4t CO₂ vs route daily average of 1.9t (455% above)
10.4t CO₂ on 10 Mar 2026 — 455% above route average
Emissions
High
New10 Mar 2026
Single flight N541BA on 10 Mar 2026 — 10.4t CO₂, 85% of period total
Single flight: 10.4t CO₂ — 85% of period emissions

Aircraft Flying This Route

Aircraft Flying This Route
N541BA·Bombardier Challenger 600
10.4t CO₂ · avg 10.4t/flight · Last seen 10 Mar 2026
N744QSCharter·Bombardier Challenger 300
1.9t CO₂ · avg 1.9t/flight · Last seen 11 Mar 2026

All Recorded Flights on This Route

2 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 11, 2026N744QSBombardier Challenger 300·1.9t CO₂56m
Mar 10, 2026N541BABombardier Challenger 600·10.4t CO₂4h 15m