Airports / Ontario International Airport

Ontario International Airport(KONT)

Ontario, United States

Last updated: Mar 30, 2026

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions increasing vs prior period

Activity Summary

5,783.9
Tons CO2 Total
3.2
Avg CO2/Flight
2,053
Flights Total
Emissions Intensity0.01t CO₂/nm
2,627.0 tons CO2 in selected period

Airport Patterns

Emissions up 67% vs prior period — significantly busier than prior period

2,627t
Total CO₂
3.2t
Avg CO₂/flight
2,053
Flights
Operator Profile

Charter/owner classification not available for this airport's flights

Emissions
127%
2,546t → 5,784t CO₂
CO₂ Intensity
2%
3.1t → 3.2t per departure
Flight Count
1162
891 → 2053 flights
New Routes
264
2,232t CO₂ combined
Dropped Routes
89
Prior period only
New Aircraft
647
647 new tail numbers
Top Destinations
Teterboro95.2t CO₂
7 flights · avg 13.6t/flight
Scottsdale65.3t CO₂
36 flights · avg 1.8t/flight
Van Nuys62.3t CO₂
60 flights · avg 1.0t/flight
Las Vegas62.3t CO₂
49 flights · avg 1.3t/flight
Tokyo58.4t CO₂
1 flight · avg 58.4t/flight

Spikes

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

CO₂ Above Baseline

282t

Signals Detected

2

Highest Severity

High

MediumMay 15, 2025 – May 21, 2025

Elevated activity May 15, 2025 – May 21, 2025 — 90 flights in 7 days vs baseline of 43

90 flights recorded in a 7-day window, exceeding the airport baseline of 43 flights per week by 109%.

223.4t CO₂

HighJul 27, 2025

Single high-emission departure B-655K → RJAA on Jul 27, 2025 — 58.4t CO₂, 62% of day's total

Aircraft B-655K departing to RJAA produced 58.4t CO₂, representing 62% of all airport emissions on Jul 27, 2025.

58.4t CO₂

Route Map

Top Routes by Emissions
OntarioTeterboro

KONT to KTEB · 2,409 miles

Total Flights

7

Avg CO₂/Flight

13.6t

Total Emissions

95.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
OntarioScottsdale

KONT to KSDL · 328 miles

Total Flights

36

Avg CO₂/Flight

1.8t

Total Emissions

65.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
OntarioVan Nuys

KONT to KVNY · 52 miles

Total Flights

60

Avg CO₂/Flight

1.0t

Total Emissions

62.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
OntarioLas Vegas

KONT to KLAS · 197 miles

Total Flights

49

Avg CO₂/Flight

1.3t

Total Emissions

62.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
OntarioTokyo

KONT to RJAA · 5,472 miles

Total Flights

1

Avg CO₂/Flight

58.4t

Total Emissions

58.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
OntarioPhoenix

KONT to KPHX · 325 miles

Total Flights

36

Avg CO₂/Flight

1.6t

Total Emissions

57.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
N522ADCharter·Bombardier Challenger 300
120.9t CO₂ · avg 1.3t/visit · 93 visits · Last seen 24 Feb 2026
N550GPCharter·Gulfstream GV
95.9t CO₂ · avg 2.0t/visit · 49 visits · Last seen 20 Mar 2026
N21SPCharter·Gulfstream G650
61.4t CO₂ · avg 2.9t/visit · 21 visits · Last seen 2 Sept 2025
B-655K·Gulfstream G650
58.4t CO₂ · avg 29.2t/visit · 2 visits · Last seen 27 Jul 2025
N710CF·Gulfstream GII
56.2t CO₂ · avg 28.1t/visit · 2 visits · Last seen 27 Jul 2025
N705SG·Cessna Citation XLS
55.0t CO₂ · avg 0.5t/visit · 106 visits · Last seen 28 Mar 2026
N282SF·Gulfstream G650
53.3t CO₂ · avg 2.5t/visit · 21 visits · Last seen 29 Mar 2026
A7-CHG·Gulfstream G700
45.9t CO₂ · avg 45.9t/visit · 1 visit · Last seen 17 Jun 2025
N199XX·Cessna Citation X
43.8t CO₂ · avg 2.3t/visit · 19 visits · Last seen 6 Feb 2026
N345LCCharter·Gulfstream GV
40.9t CO₂ · avg 10.2t/visit · 4 visits · Last seen 22 Nov 2025
Page 1 of 78

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period