CarbonSkyIndex
SGR
SAT

Houston → San Antonio

0h 31m avg · 169 miles · 147nm · Recently active route — first recorded March 2026

19.9t CO₂ · Last 30 DaysTypical

Last updated March 31st 2026 at 9:35 AM UTC

Pro
Soon
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
19.9tons
Flights
9flights
Avg CO₂/Flight
0.8tons
CO₂/nm
0.0054t CO₂/nm
Fuel Burned
1Kgallons
20.6 tons CO₂ in selected period
Emissions spike detected
Emissions 94% above route average on 2 Mar

Route Patterns

Predominantly owner-operated — 80% of flights are owner-operated aircraft

19.9t
Total CO₂
0.8t
Avg CO₂/flight
25
Flights
Operator Profile
Charter
20%2 flights1.1t
Owner
80%8 flights7.5t

Charter/owner data available for 40% of flights (15 unclassified)

Top Aircraft Models
Bombardier Challenger 3005.8t CO₂
6 flights · avg 1.0t/flight · 29%
Bombardier Challenger 3503.0t CO₂
3 flights · avg 1.0t/flight · 15%
Cessna Citation Sovereign2.6t CO₂
3 flights · avg 0.9t/flight · 13%
Cessna Citation Latitude2.6t CO₂
3 flights · avg 0.9t/flight · 13%
Cessna Citation III/VI/VII1.2t CO₂
2 flights · avg 0.6t/flight · 6%
📍International route·short-haul route · 147nm

Spikes

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

CO₂ Above Baseline

2t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New2 Mar 2026
Emissions spike on 2 Mar 2026 — 2.5t CO₂ vs route daily average of 0.6t (297% above)
2.5t CO₂ on 2 Mar 2026 — 297% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N425MP·Bombardier Challenger 350
3.0t CO₂ · avg 1.0t/flight · Last seen 16 Mar 2026
N3ZC·Cessna Citation Sovereign
2.6t CO₂ · avg 0.9t/flight · Last seen 23 Mar 2026
N686CB·Bombardier Challenger 300
1.9t CO₂ · avg 1.0t/flight · Last seen 15 Mar 2026
N322QSCharter·Embraer Phenom 300
1.1t CO₂ · avg 0.6t/flight · Last seen 22 Mar 2026
N800GMCharter·Cessna Citation III/VI/VII
0.6t CO₂ · avg 0.6t/flight · Last seen 1 Mar 2026

Recent Flights

26 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 29, 2026N646QSCessna Citation Latitude·0.9t CO₂Typical34m→
Mar 29, 2026N488BBeechcraft BeechJet 400·–33m→
Mar 26, 2026N426MPBombardier Challenger 300·1.0t CO₂Above avg35m→
Mar 25, 2026N160EMBombardier Learjet 60·0.9t CO₂Typical31m→
Mar 25, 2026N560VECessna Citation XLS·0.6t CO₂Below avg35m→
Mar 23, 2026N3ZCCessna Citation Sovereign·0.9t CO₂Typical34m→
Mar 23, 2026N3168Cessna Citation M2·0.5t CO₂Below avg35m→
Mar 22, 2026N322QSEmbraer Phenom 300·0.6t CO₂Below avg31m→
Mar 19, 2026N628QSCessna Citation Latitude·0.9t CO₂Typical29m→
Mar 19, 2026N571FXBombardier Challenger 300·1.0t CO₂Above avg33m→
Showing 10 of 26 flights