FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
AIRPORT INTELLIGENCE

Ontario International Airport

Ontario, California
IATA: ONT
ICAO: KONT
FAA: ONT
Elevation: 944 ft
ONT LOCAL --:--:-- · --- --
ZULU/UTC --:--:--Z · --- --
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TSA coverageJan. 1, 2024 to Jul. 11, 2026
WeatherLive METAR and TAF
DemandARC ticket sales and passenger trips
Latest TSA Count
10,172
September 5, 2026
2026 Daily Average
10,686
248 reported days
August 2026 Daily Average
10,479
Latest complete month
2026 YTD
2.65M
Through September 5
Year-over-Year
-0.86%
-23,085 passengers
National Rank
#51
2025 comparable rank #53

Daily TSA Passenger Traffic

2024, 2025 and 2026 through equivalent dates
Flightline Operations
FAA STATUS: CHECKING
Operations statusChecking FAA feed
Arrival delaysChecking
Departure delaysChecking
Ground stopChecking
Ground delay programChecking
ReasonChecking
FAA updatedChecking
Latest daily count10,172
30-day average10,339
Busiest 2026 day14,155
January 4
Comparable 2025 YTD2,673,296
2026 YTD2,650,211

Monthly ONT TSA Screened Passenger Comparison

ONT airport-only screening totals · September totals include September 1-5 for all years
Month2024202520262026 Avg/Day
January261,666269,795290,4209,368
February241,217248,926276,9619,891
March309,431306,883335,96510,838
April308,491314,687320,44310,681
May337,181345,544342,27011,041
June361,637372,289356,89711,897
July366,051387,574349,71711,281
August345,469370,199324,83510,479
September*52,02557,39952,70310,541
*September figures include September 1-5 only for an equivalent three-year comparison.

ONT National Airport Ranking

Three-year TSA screening rank
2024
#53
3,878,336 passengers
2025
#53
4,022,262 passengers
2026 YTD
#51
2,650,211 passengers
The 2024 and 2025 figures are full-year national rankings. The 2026 figure is year-to-date through September 5.

Airport Profile

Associated cityOntario
State or territoryCalifornia
Elevation944 ft
Coordinates34.0560, -117.6012

Airport Identifiers

TSA reporting codeONT
FAA identifierONT
ICAO identifierKONT
Local time zoneAmerica/Los_Angeles

TSA Data Snapshot

Passenger measureTSA screened passengers
Reporting frequencyDaily
Historical coverage2024-2026
Latest included dateSeptember 5, 2026
Important data note: TSA airport-level reports may occasionally contain missing, incomplete, delayed or anomalous daily figures. Flightline publishes the reported totals and flags material irregularities when identified. A missing value should not automatically be interpreted as zero passenger traffic.

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