PSM
IAD
Portsmouth → Washington
1h 38m avg · 448 miles · 389nm · Recently active route — first recorded March 2026
15.3t CO₂ · Last 30 DaysTypical
Last updated: N/A
Pro
Soon
Viewing period:
Compared to: preceding 30 days · 30 Jan 2026 – 1 Mar 20261 Mar 2026 – 31 Mar 2026·vs 30 Jan 2026 – 1 Mar 2026
Route Impact Summary
Total CO₂
15.3tons
Flights
0flights
Avg CO₂/Flight
0.0tons
CO₂/nm
–t CO₂/nm
Fuel Burned
0gallons
15.4 tons CO₂ in selected period
Emissions spike detected
Emissions 54% above route average on 12 Mar
Route Patterns
Predominantly charter activity — 100% of flights on this route are charter-operated
15.3t
Total CO₂
3.8t
Avg CO₂/flight
4
Flights
Operator Profile
Charter
100%4 flights15.3t
Owner
0%0 flights0.0t
Top Aircraft Models
Cessna Citation Longitude7.9t CO₂
1 flight · avg 7.9t/flight · 51%
Bombardier Global 75004.0t CO₂
1 flight · avg 4.0t/flight · 26%
Bombardier Learjet 602.1t CO₂
1 flight · avg 2.1t/flight · 13%
Embraer Phenom 3001.4t CO₂
1 flight · avg 1.4t/flight · 9%
📍International route·short-haul route · 389nm
Spikes
Significant deviations from this route's baseline in the selected period.
CO₂ Above Baseline
12t
Signals Detected
2
Highest Severity
High
Emissions
MediumNew11 Mar 2026
Emissions spike on 11 Mar 2026 — 5.4t CO₂ vs route daily average of 1.2t (340% above)
5.4t CO₂ on 11 Mar 2026 — 340% above route average
Emissions
HighNew12 Mar 2026
Single flight N811QS on 12 Mar 2026 — 7.9t CO₂, 51% of period total
Single flight: 7.9t CO₂ — 51% of period emissions
Aircraft Flying This Route
Aircraft Flying This Route
7.9t CO₂ · avg 7.9t/flight · Last seen 12 Mar 2026
4.0t CO₂ · avg 4.0t/flight · Last seen 11 Mar 2026
2.1t CO₂ · avg 2.1t/flight · Last seen 3 Mar 2026
1.4t CO₂ · avg 1.4t/flight · Last seen 11 Mar 2026
All Recorded Flights on This Route
4 total flights recordedShowing most recent flights — not filtered by viewing period