--- iata: ONT name: Ontario International Airport city: Ontario country: United States lastUpdated: '2026-09-09' officialWebsite: 'https://www.flyontario.com/' sources: - 'https://www.flyontario.com/' - 'https://www.flyontario.com/air-service/statistics' - >- https://www.flyontario.com/press/surge-international-travel-propelled-ontario-international-airport-record-year-2025 - 'https://www.flyontario.com/at-airport/airport-security' - 'https://www.flyontario.com/at-airport/airport-security/clear' - 'https://www.flyontario.com/at-airport/airport-security/tsa-precheck' - 'https://www.flyontario.com/parking/lots' - >- https://www.flyontario.com/to-from-airport/parking-transport/public-transport - >- https://www.flyontario.com/to-from-airport/parking-transport/commercial-vehicle-service - 'https://www.flyontario.com/at-airport/amenities' - 'https://www.flyontario.com/at-airport/food-shopping' - 'https://www.flyontario.com/at-airport/terminal-maps' - >- https://www.prioritypass.com/en/lounges/united-states-of-america/ontario-international - >- https://www.prioritypass.com/en/lounges/united-states-of-america/ontario-international/ont-aspire-lounge - >- https://www.prioritypass.com/en/lounges/united-states-of-america/ontario-international/ont1-aspire-lounge - 'https://omnitrans.org/ontconnect/' - 'https://omnitrans.org/routes/ontconnect/' - >- https://metrolinktrains.com/rider-info/general-info/airports/ontario-ont-airport-shuttle/ - 'https://california.uso.org/ontariointernationalairport' - 'https://en.wikipedia.org/wiki/Ontario_International_Airport' quickFacts: - >- Two passenger terminals (T2, 12 gates; T4, 14 gates) plus a two-gate International Arrivals Facility. No airside walk between T2 and T4 — a terminal change means exit, covered landside walk or shuttle, and re-clear TSA. - >- 7,116,735 passengers in 2025 (official OIAA / flyontario statistics: +0.4% vs 7,084,864 in 2024). Split: 6,549,812 domestic / 566,923 international (+29.2%). Highest year since local control in 2016. - >- Operator Ontario International Airport Authority (OIAA) since November 2016 (city of Ontario + San Bernardino County joint-powers). Address commonly 2900 E. Airport Drive, Ontario, CA 91761. ICAO KONT. ~35–38 miles east of downtown Los Angeles. - >- Live Priority Pass USA lists two Aspire Lounges — Terminal 2 (Gates 209–210) and Terminal 4 (Gates 410–411). No Delta Sky Club, Admirals Club, United Club, or Centurion Lounge. Wikipedia’s “Escape Lounge” photo caption is stale. - >- No train in the terminal. Metrolink San Bernardino Line to Rancho Cucamonga + Omnitrans ONT Connect (Route 380) shuttle to T2 and T4. Shuttle is $2 or free with a valid Metrolink ticket that names ONT Connect. - >- CLEAR and TSA PreCheck are in both terminals. Official peak windows: T2 04:00–07:00 and 19:00–23:00; T4 05:00–09:00. Non-peak TSA often under 20 minutes; busy banks 30+. bentoTips: - label: Timing title: T2 evenings and T4 mornings are the long lines detail: >- CLEAR is staffed Terminal 2 06:00–17:00 and Terminal 4 06:00–19:00 — an 21:00 Southwest or late T2 departure is a Standard-lane problem. Family restrooms in both terminals are temporarily closed during the TSA expansion; plan around that. summary: >- Official OIAA peak windows are Terminal 2 04:00–07:00 and 19:00–23:00, and Terminal 4 05:00–09:00. TSA says under 20 minutes off-peak and 30+ when a bank hits. category: timing - label: Terminals title: Pick T2 or T4 before you clear TSA detail: >- Wikipedia (Jun 2026): T2 = Alaska, Avianca, China Airlines, Delta, Frontier, United, Volaris; T4 = American, JetBlue, Starlux, Southwest. Trust today’s boarding pass — JetBlue is seasonal JFK metal, and aggregator maps still mis-park Hawaiian / Volaris. summary: >- There is no post-security walk between Terminal 2 and Terminal 4. A covered landside walkway links them; changing terminals means reclearing. category: terminal - label: Food title: Chick-fil-A is in both halls — closed Sunday detail: >- Chick-fil-A’s own hours: T2 Mon–Sat 06:30–22:00; T4 Mon–Fri 04:30–21:00 / Sat 04:30–19:00; both closed Sunday. Sunday flyers should plan Brewery X, Pizza Vino / Tap & Pour (T2), Urban Crave / Mi Casa (T4), or the Aspire. summary: >- Official dining lists Chick-fil-A at Terminal 2 Gate 206 (opened Jun 2026) and Terminal 4 Gate 405, plus Brewery X in both terminals. category: food - label: Status title: Priority Pass works — airline clubs do not detail: >- T2 Aspire is daily 05:00–00:00 (capacity can tighten 20:00–00:00). T4 Aspire is 04:00–23:00 Mon/Wed/Fri/Sat and 04:00–18:00 Tue/Thu/Sun on the live PP pin. Max stay 3 hours. USO is in historic Terminal 1, not airside. summary: >- Live Priority Pass lists both Aspire rooms. There is no Sky Club, Admirals Club, United Club, or Centurion Lounge at ONT. category: status lounges: - name: Aspire Lounge (Terminal 2) zone: 'Airside, 2nd floor between Gates 209 and 210' hours: >- 05:00–00:00 daily (live Priority Pass; access can be capacity-limited, especially 20:00–00:00) access: - Priority Pass (max 3 hours; children under 2 free) - LoungeKey / DragonPass - >- Day pass — confirm current price at aspirelounges.com / the desk (recent walk-up about $45–50 including tax) - Amex Platinum — confirm in the Amex app; this is not a Centurion Lounge bestFor: - Priority Pass / LoungeKey holders on a T2 departure - Late T2 banks when the holdroom thins summary: >- The T2 paid room — live PP pin between Gates 209 and 210, open until midnight, 3-hour cap. Walk left after security. verdict: worth-it terminal: Terminal 2 amenities: - Hot and cold buffet - Standard alcohol complimentary; premium pours extra - Wi-Fi and flight screens - Accessible - name: Aspire Lounge (Terminal 4) zone: 'Airside, 2nd floor between Gates 410 and 411' hours: >- Live PP: 04:00–23:00 Mon/Wed/Fri/Sat; 04:00–18:00 Tue/Thu/Sun. The airport index card sometimes prints a shorter 04:00–18:00 summary — trust the per-day table in the app. access: - Priority Pass (max 3 hours; children under 2 free) - LoungeKey / DragonPass - Day pass — confirm current price at aspirelounges.com / the desk - Amex Platinum — confirm in the Amex app; this is not a Centurion Lounge bestFor: - Southwest / American / Starlux departures from T4 - 'Early T4 banks before the 05:00–09:00 security crush' summary: >- Same Aspire product on the Southwest/American side. Exit security and turn left; Tuesday/Thursday/Sunday close at 18:00 on the live PP pin. verdict: worth-it terminal: Terminal 4 amenities: - Hot and cold buffet - Standard alcohol complimentary; premium pours extra - Wi-Fi and flight screens - Accessible - name: Bob Hope USO Lounge zone: 'Landside — 1940 East Moore Way, west wing, across from Parking Lot F' hours: 'Official USO California: 06:00–22:00 daily' access: - Eligible U.S. military and families only - Free shuttle from Terminals 2 and 4 bestFor: - Eligible military traveling with family summary: >- A real USO in the old west terminal — not a Priority Pass room and not in T2/T4. Phone (909) 390-4274. verdict: depends terminal: Historic Terminal 1 / Administration Building amenities: - 'TV lounges, nap room, patio' - 'Wi-Fi, computers, CAC readers' - 'Snack canteen, kids’ area, luggage storage' waterOptions: - kind: refill name: Airside hydration stations by restrooms zone: airside summary: >- Empty the bottle at TSA, then refill here. Official amenities page is the source — not a traveler guess. location: >- Official OIAA: 16 hydration stations between Terminal 2 and Terminal 4, adjacent to restrooms on the sterile side terminal: Terminals 2 and 4 isBestValue: true isBestQuality: true - kind: purchase name: Hudson / Evolve by Hudson bottles zone: airside price: typically $3–5 for a 500–600 ml bottle summary: >- Sealed bottles when a restroom filler is taped off or you want something carbonated. location: >- Official shopping directory lists Hudson News and Evolve by Hudson in both terminals after security terminal: Terminals 2 and 4 - kind: purchase name: Chick-fil-A / Dunkin' bottled drinks zone: airside price: typically $3–5 for a bottled drink summary: >- Fine with a meal; Sunday Chick-fil-A is closed so use Dunkin' or Hudson that day. location: >- Chick-fil-A at T2 Gate 206 and T4 Gate 405; Dunkin' in both terminals on the official dining list terminal: Terminals 2 and 4 - kind: purchase name: Landside bottles before security zone: landside price: typically $3–5 for a 500–600 ml bottle summary: >- You will dump liquids at TSA. This is not the value play unless you need a sealed bottle for the curb. location: Pre-security concessions and newsstands in the T2 and T4 ticketing halls terminal: Landside airportistScore: 7.3 slug: ont region: North America --- > Markdown for [/airports/ont](/airports/ont). Append `.md` to any page URL (or send `Accept: text/markdown`) for an agent-readable copy. - [HTML page](/airports/ont) - [Lounge directory](/airports/ont/lounges.md) - [Sitemap](/sitemap.md) # Ontario International Airport (ONT) Ontario, United States · North America Two compact 1998 halls with a real Priority Pass Aspire on each side and a $2 Metrolink shuttle — undercut by no airside T2↔T4 walk and a 35-mile slog to downtown Los Angeles. ## Airportist Score **7.3 / 10** Weighted sum of the six published categories (no holistic fudge). - Ease of use (25%): 8.2 — Wayfinding, security wait, and layout. - Comfort & amenities (20%): 7.2 — Seating, Wi-Fi, cleanliness, and quiet. - Food & retail (15%): 7.0 — Food and retail quality and variety. - Ground access (15%): 6.6 — Transit, taxi, and parking to the city. - Reliability (15%): 7.2 — Delays, cancellations, and weather resilience. - Lounges (10%): 7.2 — Worth-it density and access quality. ## At a glance - Passengers: 7.12M (2025) - Terminals: 2 terminals (T2 + T4) + IAF arrivals - Typical security: 18 min - On-time: 77% - Disruption: normal ## Best for - Inland Empire / east LA-basin departures that would otherwise fight LAX traffic - Priority Pass / LoungeKey holders — Aspire is in both terminals - Southwest, American, Delta, United, and Taipei (China Airlines / Starlux) banks - Same-day CBP on Avianca / Volaris / China Airlines / Starlux arrivals at the IAF ## Watch out for - No airside walk between T2 and T4 — a terminal change is a reclear - No Sky Club, Admirals Club, United Club, or Centurion Lounge - CLEAR T2 closes 17:00 and T4 19:00; late T2 banks are Standard lane - No train in the terminal — ONT Connect + Metrolink is not overnight ## More intel - [Lounge directory](/airports/ont/lounges.md) (free) - [Getting there](/airports/ont/getting-there.md) (free) - [Amenities](/airports/ont/amenities.md) - [Traveler tips](/airports/ont/tips.md) - [Water](/airports/ont/water.md) - [Full guide](/airports/ont/guide.md) - [Disruptions](/airports/ont/disruptions.md) - [Reviews](/airports/ont/reviews.md)