CarbonSkyIndex
SJC
DAL

San Jose → Dallas

3h 14m avg · 1,447 miles · 1257nm · Recently active route — first recorded March 2026

232.1t 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
232.1tons
Flights
14flights
Avg CO₂/Flight
8.5tons
CO₂/nm
0.0068t CO₂/nm
Fuel Burned
13Kgallons
238.8 tons CO₂ in selected period
Emissions spike detected
Emissions 166% above route average on 18 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 9.3t CO₂ per flight

232.1t
Total CO₂
9.3t
Avg CO₂/flight
25
Flights
Operator Profile
Charter
60%3 flights25.9t
Owner
40%2 flights17.4t

Charter/owner data available for 20% of flights (20 unclassified)

Top Aircraft Models
Bombardier Challenger 30059.6t CO₂
7 flights · avg 8.5t/flight · 26%
Cessna Citation X34.3t CO₂
4 flights · avg 8.6t/flight · 15%
Bombardier Global 5000/550032.3t CO₂
3 flights · avg 10.8t/flight · 14%
Gulfstream G65027.1t CO₂
2 flights · avg 13.5t/flight · 12%
Gulfstream GIV26.9t CO₂
1 flight · avg 26.9t/flight · 12%
📍International route·medium-haul route · 1,257nm

Spikes

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

CO₂ Above Baseline

30t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New18 Mar 2026
Emissions spike on 18 Mar 2026 — 37.3t CO₂ vs route daily average of 7.7t (385% above)
37.3t CO₂ on 18 Mar 2026 — 385% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N8168·Cessna Citation X
17.4t CO₂ · avg 8.7t/flight · Last seen 11 Mar 2026
N664FXCharter·Gulfstream G650
14.7t CO₂ · avg 14.7t/flight · Last seen 1 Mar 2026
N642DM·Bombardier Challenger 300
6.7t CO₂ · avg 6.7t/flight · Last seen 1 Mar 2026
N502ABCharter·Bombardier Learjet 60
6.6t CO₂ · avg 6.6t/flight · Last seen 4 Mar 2026
N518KHCharter·Gulfstream G150
4.6t CO₂ · avg 4.6t/flight · Last seen 3 Mar 2026

Recent Flights

26 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 28, 2026N605TXCessna Citation XLS·6.5t CO₂Below avg3h 28m→
Mar 26, 2026N504VJBombardier Global 5000/5500·13.0t CO₂Above avg3h 6m→
Mar 25, 2026N486FXGulfstream GIV·26.9t CO₂Above avg6h 18m→
Mar 25, 2026N551XJBombardier Challenger 300·1.4t CO₂Below avg45m→
Mar 24, 2026N941QSCessna Citation Latitude·6.8t CO₂Below avg3h 28m→
Mar 24, 2026N130QSBombardier Global 5000·12.6t CO₂Above avg3h 2m→
Mar 23, 2026N366QSEmbraer Phenom 300·0.7t CO₂Below avg40m→
Mar 23, 2026N221FXBombardier Challenger 300·8.3t CO₂Typical3h 24m→
Mar 20, 2026N215DABombardier Challenger 300·7.8t CO₂Typical3h 13m→
Mar 20, 2026N421SCDassault Falcon 2000·7.2t CO₂Below avg3h 12m→
Showing 10 of 26 flights