{
  "response": {
    "Key": "CHI-SJU",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "SJU",
      "type": "airport",
      "city": "San Juan",
      "fullCity": "San Juan, Puerto Rico",
      "airport": "Luis Munoz Marin Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to San Juan?",
        "answer": "A nonstop flight from Chicago (ORD) to San Juan (SJU) typically takes about 4 hours 30 minutes to 4 hours 45 minutes. With one stop, depending on the connection city, total travel time often ranges from 6 to 8 hours. Return flights are usually slightly shorter, around 4 hours 15 minutes to 4 hours 30 minutes nonstop."
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to San Juan?",
        "answer": "Yes, there are direct flights from Chicago to San Juan. American and United both fly nonstop daily from O'Hare, while Southwest operates nonstop from Midway on Saturdays and Sundays only. Combined, the three carriers offer about 31 weekly nonstop flights — 14 each on American and United, plus 3 on Southwest.",
        "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"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Chicago to San Juan?",
        "answer": "No visa is required for U.S. citizens traveling from Chicago to San Juan, as Puerto Rico is a U.S. territory and the flight is domestic. For non-U.S. citizens, the same U.S. entry requirements apply as for any U.S. destination: a valid visa or ESTA authorization is needed if you are not a U.S. national or permanent resident. This applies in both directions, as San Juan is within the U.S. customs territory."
      },
      "q3": {
        "question": "What are the ground transportation options in San Juan?",
        "answer": "Taxi is the fastest and most-used option from Luis Muñoz Marín International Airport to San Juan, with flat rates to zones like Condado or Old San Juan. Ride-share services like Uber are available but pick up at a designated area, and they are often slightly cheaper. Public buses (AMA) serve the airport via route E40, but they are slow and infrequent, making them impractical for most travelers. Car rentals are available on-site from major agencies, but parking in Old San Juan is difficult. There is no rail link from the airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Luis_Mu%C3%B1oz_Mar%C3%ADn_International_Airport",
            "title": "Luis Muñoz Marín International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-21T20:24:02Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/List%20of%20the%20busiest%20airports%20in%20Puerto%20Rico",
            "title": "List of the busiest airports in Puerto Rico",
            "time_published": "2025-09-20T07:52:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Luis_Mu%C3%B1oz_Marin_International_Airport",
            "title": "Luis Muñoz Marín International Airport - Wikipedia",
            "time_published": "2002-09-10T02:45:15Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Puerto_Rico",
            "title": "List of the busiest airports in Puerto Rico",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2025-09-20T07:52:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Puerto%20Rico%20Metropolitan%20Bus%20Authority",
            "title": "Puerto Rico Metropolitan Bus Authority",
            "time_published": "2026-01-08T02:20:19Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to San Juan?",
        "answer": "The cheapest months to fly from Chicago to San Juan are August (average $365), September ($400), and May ($410), while the most expensive are December (average $649), March ($637), and February ($590).",
        "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 Juan?",
        "answer": "For flights from Chicago to San Juan, the best fares typically appear when booking 8 to 11 weeks ahead, averaging around $457. The single cheapest day to book is about 70 days before departure at $453, while last-minute bookings can climb to $653. For summer and holiday periods, demand is higher, so aiming for the earlier end of that window or even slightly further out is wise.",
        "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 Juan?",
        "answer": "No nonstop red-eye flights operate from Chicago to San Juan. One connecting itinerary with an overnight long leg exists: Frontier flies from Chicago to San Juan via Dallas/Fort Worth, with the overnight DFW–SJU segment departing at 11:01 PM and arriving at 5:02 AM — an early-hours arrival.",
        "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 Juan?",
        "answer": "American Airlines, United, and Southwest fly nonstop from Chicago to San Juan. American and United each operate 14 weekly flights from O'Hare, with median fares around $581 and $556 respectively. Southwest offers 3 weekly flights from Midway on Saturdays and Sundays, typically priced around $341.",
        "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 Juan?",
        "answer": "Common layover cities for flights from Chicago to San Juan include Atlanta, Charlotte, Miami, and Orlando. These hubs offer broad domestic connections and efficient transfers, keeping total travel times competitive. Atlanta and Charlotte are major airline bases with frequent onward flights, while Miami and Orlando are well-positioned geographically for the Caribbean route."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to San Juan?",
        "answer": "On-time performance is generally reliable, though afternoon thunderstorms in Chicago can cause delays. Early morning flights, particularly on United or Southwest, offer the best chance for punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Juan?",
        "answer": "Mid-December to April offers dry, sunny weather and comfortable temperatures, with fewer crowds after the spring break rush."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to San Juan?",
        "answer": "Since Puerto Rico is a U.S. territory, no passport is required for U.S. citizens; bring a Real ID or state-issued ID, payment for baggage, and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in San Juan?",
        "answer": "San Juan has one primary airport, Luis Muñoz Marín International Airport (SJU), which serves all commercial flights."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Juan airport?",
        "answer": "San Juan Airport (SJU) has an on-site hotel located at the airport, so no shuttle is needed. There are no capsule hotels or sleeping pods, but there is a hotel inside the terminal. Other nearby hotels, like the Residence Inn San Juan Isla Verde, are a short drive away and may offer shuttle service.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Luis_Mu%C3%B1oz_Mar%C3%ADn_International_Airport",
            "title": "Luis Muñoz Marín International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-21T20:24:02Z"
          },
          {
            "url": "https://sleepinginairports.net/guides/san-juan-airport-guide.htm",
            "title": "San Juan Airport Guide (SJU) - Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2018-10-02T00:00:36Z"
          },
          {
            "url": "https://activities.marriott.com/north-america/puerto-rico/utuado/activities/departure_from_old_san_juan_to_san_juan_sju_airport_by_minibus-XPVY9Q?property=PSEAL",
            "title": "Departure from Old San Juan to San Juan SJU Airport by Minibus",
            "time_published": "2026-04-10T00:00:00Z"
          },
          {
            "url": "https://activities.marriott.com/north-america/puerto-rico/san-juan/activities/san_juan_luxury_private_round_trip_transfer_sju_airport_cruise_pier_hotel-X48MR8?property=SJUXR",
            "title": "San Juan Luxury Private Round-Trip Transfer: SJU Airport - Cruise Pier - Hotel",
            "time_published": "2026-05-04T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Luis%20Mu%C3%B1oz%20Mar%C3%ADn%20International%20Airport",
            "title": "Luis Muñoz Marín International Airport",
            "time_published": "2026-04-23T21:46:13Z"
          },
          {
            "url": "https://www.marriott.com/es/en-us/hotels/sjurv-residence-inn-san-juan-isla-verde/overview/",
            "title": "Hotels San Juan Isla Verde Carolina, Puerto Rico | Residence Inn",
            "time_published": "2025-02-19T00:00:00Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Luis Munoz Marin Intl Airport?",
        "answer": "Luis Muñoz Marín International Airport offers currency exchange services through several bank branches and ATMs located in both terminals, and multi-faith prayer rooms are available near the food court in Terminal B. Free Wi-Fi is provided throughout the airport for all passengers. Specific terminal locations may vary, so it's best to check airport signage or the information desk upon arrival.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Luis_Mu%C3%B1oz_Mar%C3%ADn_International_Airport",
            "title": "Luis Muñoz Marín International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-21T20:24:02Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/List%20of%20the%20busiest%20airports%20in%20Puerto%20Rico",
            "title": "List of the busiest airports in Puerto Rico",
            "time_published": "2025-09-20T07:52:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Luis%20Mu%C3%B1oz%20Mar%C3%ADn%20International%20Airport",
            "title": "Luis Muñoz Marín International Airport",
            "time_published": "2026-04-23T21:46:13Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Puerto_Rico",
            "title": "List of the busiest airports in Puerto Rico",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2025-09-20T07:52:17Z"
          },
          {
            "url": "https://en.wikipedia.org/w/index.php?oldid=1358063127&title=Luis_Mu%C3%B1oz_Mar%C3%ADn_International_Airport",
            "title": "Luis Muñoz Marín International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2002-09-10T02:45:15Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to San Juan?",
        "answer": "Nonstop flights from Chicago to San Juan are typically operated with Airbus A321-200 Neo, Boeing 737-800, and occasionally Frontier aircraft whose type isn't publicly listed — the exact aircraft can vary by day and airline. On connecting itineraries, common long-leg types include the Boeing 737 MAX 8, Airbus A321-100, and Boeing 737-800, with hubs like Miami, Baltimore, Orlando, and Charlotte. Wi-Fi and seatback entertainment are widely available on these mainline jets, though the specifics depend on the carrier and individual aircraft.",
        "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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "Chicago O'Hare (ORD) has several airline-branded lounges: American Airlines Admirals Club in Terminal 3 (accessible with a day pass or eligible status), United Club in Terminals 1 and 2 (for business class, elite status, or day pass), and a Delta Sky Club in Terminal 5 (for Delta One, SkyTeam Elite Plus, or membership). There's also a Swissport Lounge in Terminal 5 for Priority Pass and various airline partners. The Polaris Lounge in Terminal 1 is exclusive to United Polaris business class and Star Alliance first class passengers, offering a sit-down dining room and shower suites.",
        "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://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/CAN/Premium-Lounge-Terminal-1-International-iUec4avgfK/?inav=en_us_menu_travel_travel_services_airport_lounge_access_by_card",
            "title": "Premium Lounge at Guangzhou Baiyun International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/ORD/Swissport-Lounge-Terminal-5-Concourse-M-5mTKilCqDl/",
            "title": "Swissport Lounge at O'Hare International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage%20Airport",
            "title": "DuPage Airport",
            "time_published": "2026-03-13T22:38:40Z"
          },
          {
            "url": "http://delta.com/content/www/en_US/traveling-with-us/airports-and-aircraft/airports/airport-services/hawaii-idaho-illinois-indiana-iowa.html",
            "title": "Airport Services in Hawaii, Idaho, Illinois, Indiana and Iowa | Delta Air Lines",
            "time_published": "2023-01-01T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to San Juan?",
        "answer": "Baggage policies vary by airline and fare type. Basic economy may not include a checked bag, while standard economy typically allows one checked bag and a carry-on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to San Juan?",
        "answer": "On flights from Chicago to San Juan, you'll usually find Economy and standard domestic first class with recliner seats; flat-bed Business and Premium Economy are not common on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and higher cabins typically allow same‑day changes or standby, while Basic Economy often does not."
      }
    }
  }
}