{
  "response": {
    "Key": "CHI-SJC",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "SJC",
      "type": "airport",
      "city": "San Jose",
      "fullCity": "San Jose, California",
      "airport": "Mineta Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to San Jose?",
        "answer": "A nonstop flight from Chicago (ORD) to San Jose (SJC) typically takes about 4 hours 30–35 minutes. With one stop, depending on the layover city, total travel time often ranges from 6 to 8 hours."
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to San Jose?",
        "answer": "Yes, there are nonstop flights from Chicago to San Jose. Southwest flies daily from Midway (MDW) with 49 weekly flights, and United flies daily from O'Hare (ORD) with 17 weekly flights. Both carriers operate seven days a week, so you can find a direct flight any day.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours. Carrier service and weekly frequencies are summarized from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in San Jose?",
        "answer": "San Jose Mineta International Airport (SJC) is just three miles from downtown San Jose, with ride‑share services like Uber and Lyft being the most popular choice for a quick, direct trip. Taxis are readily available at the terminal curbs, and several rental car counters are on‑site for those who prefer to drive. Public transit via VTA bus routes 10 and 60 connects the airport to downtown and the broader light‑rail system, though it’s slower than driving. The fast, convenient location means ride‑share or a taxi is typically the fastest way to reach the city center.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Norman_Y._Mineta_San_Jos%C3%A9_International_Airport",
            "title": "San Jose International Airport - Wikipedia",
            "time_published": "2026-03-15T19:59:16Z"
          },
          {
            "url": "https://www.faa.gov/sjc",
            "title": "Norman Y. Mineta San Jose International Airport (SJC) | Federal Aviation Administration",
            "favicon": "https://www.faa.gov/themes/custom/faa/favicon.png",
            "time_published": "2026-05-22T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/San_Jose_International_Airport",
            "title": "San Jose International Airport",
            "time_published": "2026-07-06T10:50:58Z"
          },
          {
            "url": "https://www.faa.gov/AIR_TRAFFIC/FLIGHT_INFO/AERONAV/PROCEDURES/application/index.cfm?event=directory&directory=962EF5EBE5A544179EC0CED2D8D5ACE0-SJC-NDBR&type=ndbr&nasrId=SJC",
            "title": "USA Banner",
            "time_published": "2024-09-12T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/AirTrain%20%28San%20Francisco%20International%20Airport%29",
            "title": "AirTrain (San Francisco International Airport)",
            "time_published": "2026-04-18T18:28:53Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to San Jose?",
        "answer": "The cheapest months to fly from Chicago to San Jose are August and March, with average fares around $381 and $417 respectively. The most expensive months are September, May, and June, where average fares reach $493, $478, and $452.",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Chicago to San Jose?",
        "answer": "For flights from Chicago to San Jose, the best fares typically appear when booking 3 to 6 weeks ahead, with the lowest average around $280 at about 35 days before departure. During summer and holiday peaks, prices tend to rise faster closer to the date, so aiming for the earlier end of that window (around 5-6 weeks out) is safer.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to San Jose?",
        "answer": "No overnight red‑eye flights operate from Chicago to San Jose — neither nonstop nor connecting itineraries with a red‑eye long leg appear in the schedule. If you need to travel overnight, you'd likely have to connect through a hub that isn't served by a red‑eye on this route, but no such option is currently scheduled.",
        "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.",
        "toolsUsed": [
          "redeye_flights"
        ]
      },
      "q7": {
        "question": "Which airlines usually operate this route from Chicago to San Jose?",
        "answer": "Southwest flies nonstop from Chicago Midway to San Jose with 49 weekly flights, while United operates nonstop from Chicago O'Hare to San Jose with 17 weekly flights. Fares are not provided in the schedule data.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Chicago and San Jose?",
        "answer": "Common layover hubs for flights from Chicago to San Jose include Denver, Phoenix, and Dallas. Denver offers a central location with efficient connections, Phoenix provides minimal weather delays, and Dallas features extensive domestic networks, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to San Jose?",
        "answer": "On-time performance is generally reliable, but afternoon and evening flights can be impacted by air traffic and weather. Choosing the first departure of the day, such as early morning flights on Southwest or United, improves your chances of a punctual departure."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Jose?",
        "answer": "April to June and September to October offer warm, sunny days with minimal rain and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to San Jose?",
        "answer": "For this domestic flight, bring a Real ID-compliant driver's license or passport, a credit card or accepted payment for baggage, and any required vaccination certificates. No visa or proof of onward travel is needed."
      },
      "q12": {
        "question": "Which airport should I use in San Jose?",
        "answer": "San Jose has one commercial airport, Norman Y. Mineta San Jose International Airport, located about 2 miles from downtown. It is convenient for Silicon Valley business and leisure travel."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "From downtown Chicago, the most practical way to reach DuPage Airport in West Chicago is by driving or taking a ride‑share, which takes about 45 minutes to an hour via I‑290 and is the fastest option. There is no direct rail service to the airport, but you can take a Metra train to the West Chicago station on the Union Pacific West line and then a short taxi or ride‑share to the terminal, a more affordable but slower choice. Taxis and rental cars are available, and parking at the airport is plentiful and free, making driving a convenient and low‑cost option compared to Midway or O’Hare.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Chicago",
            "title": "Transportation in Chicago",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-05-15T02:56:07Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage%20Airport",
            "title": "DuPage Airport",
            "time_published": "2026-03-13T22:38:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago",
            "title": "Transportation in Chicago",
            "time_published": "2026-04-13T06:59:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Chicago%20Executive%20Airport",
            "title": "Chicago Executive Airport",
            "time_published": "2026-03-26T11:15:20Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to San Jose?",
        "answer": "The most common aircraft on nonstop flights from Chicago to San Jose is the Boeing 737 MAX 8, flown by Southwest, with United also operating the Airbus A319. On one-stop itineraries, the 737 MAX 8 again dominates — most Southwest connections route through airports like San Diego, Phoenix, Las Vegas, and Denver — while American and United connections can involve the Boeing 737-800, Airbus A321, or 737 MAX 9. Specific aircraft vary by day and airline, but the 737 MAX 8 is by far the most frequent type on this route. Wi-Fi and seatback entertainment are widely available across these carriers, though exact amenities depend on the individual aircraft and airline.",
        "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Chicago to San Jose?",
        "answer": "Southwest and United operate nonstop from Chicago to San Jose. United belongs to Star Alliance, while Southwest is not part of any global airline alliance.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to San Jose?",
        "answer": "Baggage policies vary by airline and fare. Basic economy usually restricts carry‑ons to a personal item and charges for checked bags; standard economy often includes a carry‑on and one checked bag for a fee. Check your airline for exact rules."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to San Jose?",
        "answer": "On this domestic route, flights typically offer Economy and, on some flights, a larger front cabin seat that is not a flat‑bed; true Premium Economy and flat‑bed Business are rare."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare; flexible and premium tickets usually allow same‑day changes or standby, while Basic Economy generally does not."
      }
    }
  }
}