CarbonSkyIndex
IAD
BHM

Washington → Birmingham

1h 29m avg · 638 miles · 554nm · Recently active route — first recorded March 2026

36.4t 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
36.4tons
Flights
11flights
Avg CO₂/Flight
3.2tons
CO₂/nm
0.0058t CO₂/nm
Fuel Burned
4Kgallons
36.5 tons CO₂ in selected period
Emissions spike detected
Emissions 97% above route average on 19 Mar

Route Patterns

Predominantly charter activity — 83% of flights on this route are charter-operated

36.4t
Total CO₂
2.8t
Avg CO₂/flight
13
Flights
Operator Profile
Charter
83%5 flights12.3t
Owner
17%1 flight4.0t

Charter/owner data available for 46% of flights (7 unclassified)

Top Aircraft Models
Embraer Phenom 3008.4t CO₂
4 flights · avg 2.1t/flight · 23%
Bombardier Challenger 3507.8t CO₂
2 flights · avg 3.9t/flight · 21%
Bombardier Challenger 3005.6t CO₂
2 flights · avg 2.8t/flight · 15%
Bombardier Learjet 605.3t CO₂
2 flights · avg 2.7t/flight · 15%
Embraer Praetor 5003.2t CO₂
1 flight · avg 3.2t/flight · 9%
📍International route·medium-haul route · 554nm

Spikes

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

CO₂ Above Baseline

3t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New3 Mar 2026
Emissions spike on 3 Mar 2026 — 4.0t CO₂ vs route daily average of 1.4t (181% above)
4.0t CO₂ on 3 Mar 2026 — 181% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N312QSCharter·Embraer Phenom 300
4.1t CO₂ · avg 2.1t/flight · Last seen 18 Mar 2026
N569FX·Bombardier Challenger 350
4.0t CO₂ · avg 4.0t/flight · Last seen 3 Mar 2026
N397QSCharter·Cessna Citation Sovereign
3.2t CO₂ · avg 3.2t/flight · Last seen 5 Mar 2026
N74HTCharter·Bombardier Learjet 60
2.8t CO₂ · avg 2.8t/flight · Last seen 2 Mar 2026
N379QSCharter·Embraer Phenom 300
2.2t CO₂ · avg 2.2t/flight · Last seen 4 Mar 2026

All Recorded Flights on This Route

13 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 26, 2026N757QSBombardier Challenger 300·2.6t CO₂Typical1h 13m→
Mar 25, 2026N933MSBombardier Learjet 60·2.5t CO₂Typical1h 23m→
Mar 21, 2026N907PJBombardier Challenger 350·3.8t CO₂Above avg1h 27m→
Mar 19, 2026N549FXBombardier Challenger 300·3.0t CO₂Typical1h 22m→
Mar 19, 2026N118ADDassault Falcon 2000·2.8t CO₂Typical1h 21m→
Mar 19, 2026N480QSEmbraer Phenom 300·2.2t CO₂Below avg1h 37m→
Mar 18, 2026N312QSEmbraer Phenom 300·1.9t CO₂Below avg1h 29m→
Mar 18, 2026N321FXEmbraer Praetor 500·3.2t CO₂Typical1h 30m→
Mar 18, 2026N312QSEmbraer Phenom 300·2.2t CO₂Below avg1h 38m→
Mar 5, 2026N397QSCessna Citation Sovereign·3.2t CO₂Typical1h 32m→
Showing 10 of 13 flights