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Route

San Jose → Ontario

SJCSan JoseMineta San Jose International Airport
ONTOntarioOntario International Airport
Distance
333 mi
Estimated flight time
~1h 10m

Same local time in San Jose and Ontario.

Observed nonstop

View the reverse route

How often does this route fly?

Frequency

Several times a day

On average around 4 flights a day, observed from October 2025 to September 2026.

4
flights per day
4
busiest month · Oct
3
quietest month · Jan
54 min
measured flight time
12 / 12
months seen

Through the year

Per day, month by month

  1. 3Jan2026
  2. 3Feb
  3. 4Mar
  4. 3.5Apr
  5. 4May
  6. 4Jun
  7. 4Jul
  8. 4Aug
  9. 4Sep
  10. 4Oct2025
  11. 4Nov
  12. 4Dec

Airlines

Who flies it

Southwest Airlinesall year
Volarissummer
UPS Airlinesnow and then

Through the day

Departure times

Local time in San Jose. Most departures between 06:00 and 09:00.

  1. 00:00
  2. 01:00
  3. 02:00
  4. 03:00
  5. 04:00
  6. 05:00
  7. 06:00
  8. 07:00
  9. 08:00
  10. 09:00
  11. 10:00
  12. 11:00
  13. 12:00
  14. 13:00
  15. 14:00
  16. 15:00
  17. 16:00
  18. 17:00
  19. 18:00
  20. 19:00
  21. 20:00
  22. 21:00
  23. 22:00
  24. 23:00

Through the week

By weekday

  1. 4Mon
  2. 3.7Tue
  3. 3.4Wed
  4. 3.6Thu
  5. 4.1Fri
  6. 4.1Sat
  7. 2.9Sun

Fleet

Aircraft observed

  1. Boeing 737-700B73745%
  2. Boeing 737 MAX 8B38M29%
  3. Boeing 737-800B73817%
  4. Embraer Phenom 300E55P1%
  5. Airbus A321A3210%
All the numbers in a table
MonthPer daySeenAirlines
January 2026395
  • Southwest Airlines89×
February 2026394
  • Southwest Airlines91×
March 20264118
  • Southwest Airlines103×
  • Volaris1×
April 20263.599
  • Southwest Airlines93×
May 20264102
  • Southwest Airlines95×
June 20264122
  • Southwest Airlines108×
  • Volaris2×
July 20264133
  • Southwest Airlines118×
  • Volaris7×
  • UPS Airlines2×
August 20264116
  • Southwest Airlines104×
  • Volaris2×
September 20264119
  • Southwest Airlines107×
October 20254110
  • Southwest Airlines97×
  • Volaris2×
November 20254111
  • Southwest Airlines104×
  • Volaris1×
December 20254106
  • Southwest Airlines96×
  • UPS Airlines4×

Airlines observed on this route

From observed callsign routes on SJC-ONT - not a booking guarantee.

Southwest Airlines

WN · SWA

Hub: DEN Denver

117 departure airportsView airline →

UPS Airlines

5X · UPS

Hub: SDF Louisville

154 departure airportsView airline →

Volaris

Y4 · VOI

Hub: GDL Guadalajara

34 departure airportsView airline →

About this route

  • Domestic route: both airports are in the same country.
  • The opposite direction has also been observed as a direct connection.
  • Direct destinations observed from San Jose: 59.
  • Direct destinations observed from Ontario: 63.

The airports on this route

Mineta San Jose International Airport

San Jose, United StatesSJC / KSJC

Major airport · 59 direct destinations · 2 runways · longest runway 11,001 ft

77 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

Ontario International Airport

Ontario, United StatesONT / KONT

Major airport · 63 direct destinations · 2 runways · longest runway 12,198 ft

86 °F · Partly cloudySource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

Alternative airports for this journey

Same journey, a different airport nearby - with an observed direct connection.

OAK ONTOakland San Francisco Bay AirportOakland is about 29 mi from San Jose.View route →SJC SNAJohn Wayne Orange County International AirportSanta Ana is about 30 mi from Ontario.View route →SFO ONTSan Francisco International AirportSan Francisco is about 30 mi from San Jose.View route →SJC LGBLong Beach International AirportLong Beach is about 35 mi from Ontario.View route →

About the route from San Jose to Ontario

The observed direct connection between Mineta San Jose International Airport (SJC) and Ontario International Airport (ONT) covers approximately 333 mi. The estimated flight time is around 1h 10m. Southwest Airlines, UPS Airlines and Volaris have been observed on this connection in the available route data.

Frequently asked questions about this route

How far is San Jose from Ontario by air?
The great-circle distance between Mineta San Jose International Airport and Ontario International Airport is approximately 333 mi.
How long is the flight from San Jose to Ontario?
Based on the distance, the estimated flight time is about 1h 10m. This is an estimate, not a schedule.
Is there a direct connection from San Jose to Ontario?
Yes, a direct connection between SJC and ONT has been observed in our route data.
Which airlines have been observed on this route?
In the available route data: Southwest Airlines, UPS Airlines and Volaris.
How often is there a flight from San Jose to Ontario?
On average around 4 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 1,325 observed flights. Mainly Southwest Airlines, Volaris, UPS Airlines. That is an observation, not a timetable.
What is the current time difference between San Jose and Ontario?
Same local time in San Jose and Ontario.

Where this data comes from

The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.

The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.

Route data updated on October 11, 2026.