{
  "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": "The flight from Chicago to San Juan is about 2,060 miles, with a typical nonstop block time around 4 hours 50 minutes. The return leg averages 5 hours 19 minutes, about 29 minutes longer due to prevailing headwinds.",
        "methodology": "Flight times and distances come 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). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to San Juan?",
        "answer": "Yes, there are nonstop flights from Chicago to San Juan. American and United both fly daily from O'Hare, while Southwest operates from Midway on Saturdays and Sundays only. Altogether there are up to 31 weekly nonstops, with flight times around 4 hours 50 minutes.",
        "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, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes 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": "United States citizens do not need a visa to travel from Chicago to San Juan, as Puerto Rico is a U.S. territory and entry is by right for U.S. nationals, not a visa question.\n\nThis is general guidance to help you plan, not official immigration advice — entry rules can change and can depend on your nationality and circumstances, so please confirm the current requirements with the relevant embassy or official government source before you travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_the_United_States",
            "title": "Visa policy of the United States",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://cbp.gov/about/contact/ports/fajardo-puerto-rico-4904",
            "title": "Fajardo, Puerto Rico - 4904 | U.S. Customs and Border Protection"
          },
          {
            "url": "https://uscis.gov/archive/effects-of-puerto-rico-birth-certificate-invalidation-on-uscis-benefit-seekers",
            "title": "Effects of Puerto Rico Birth Certificate Invalidation on USCIS Benefit Seekers | USCIS"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q3": {
        "question": "What are the ground transportation options in San Juan?",
        "answer": "From Luis Muñoz Marín International Airport to central San Juan, most travelers rely on taxis, ride-share services, and rental cars, because the airport is about 7 miles from Old San Juan and connected by the Teodoro Moscoso Bridge and Baldorioty de Castro Expressway. Ride-share and taxis are the most-used options for visitors staying in the city center, while car rentals are popular for exploring beyond San Juan. Public mass transit is limited: the Tren Urbano light rail serves the broader metro area but does not run directly into the airport, and local bus service requires a transfer and is slower. Taxis and ride-share are generally the fastest door-to-door, with a typical ride under 20 minutes in light traffic, though rental cars offer more flexibility for day trips. For a single airport-to-center transfer, a taxi or ride-share is usually the best balance of speed and convenience.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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": "2026-09-14T07:54:59Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Rail_transport_in_Puerto_Rico",
            "title": "Rail transport in Puerto Rico",
            "time_published": "2026-07-26T15:19:48Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Puerto_Rico",
            "title": "Transportation in Puerto Rico",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-04-24T20:08:05Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to San Juan?",
        "answer": "Average fares from Chicago to San Juan bottom out around $292 in late January, with the cheapest months overall being January, September, and August at roughly $315–316. The most expensive stretch is late December, when average fares climb to about $425, and December, March, and June are the priciest months overall.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Chicago to San Juan?",
        "answer": "The optimal booking window for Chicago to San Juan is roughly 6 to 9 weeks before departure, with average fares around $251 and the single cheapest day landing about 55 days out at $248. Booking too far in advance (5+ months) pushes average prices above $330, so for summer or holiday periods you should still target that 6-9 week sweet spot rather than booking extremely early.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to San Juan?",
        "answer": "No overnight / red‑eye flights are scheduled from Chicago to San Juan — neither nonstop red‑eyes nor connecting itineraries whose long leg is a red‑eye were found.",
        "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 Airlines, and Southwest Airlines fly nonstop from Chicago to San Juan. American and United each operate 14 weekly flights from O'Hare, with median fares around $589 and $637 respectively. Southwest offers 3 weekly flights from Midway on Saturdays and Sundays, with a median fare near $461.",
        "methodology": "Airlines and weekly frequencies come 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 typical fare is shown for a carrier, it is the median of 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 between Chicago and San Juan include Charlotte, Miami, Atlanta, and New York JFK. These hubs offer broad connections, efficient transfers, and are well‑positioned along the route, helping keep total travel time competitive. As a domestic itinerary, visa‑free transit is irrelevant."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Juan?",
        "answer": "Mid-December through April offers warm, sunny days and lower humidity, with fewer crowds outside the holiday peaks."
      },
      "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, travel from Chicago is domestic. Bring a Real ID or passport, ensure the name matches your ticket, and carry a payment method for baggage and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in San Juan?",
        "answer": "San Juan has one airport, Luis Muñoz Marín International Airport, which serves all commercial flights to the city."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "Chicago O'Hare (ORD) is the airport serving this route, and from downtown Chicago the CTA Blue Line 'L' train is the most popular and economical option, running 24/7 with a roughly 40-minute ride from the Loop directly to the airport. Taxis, limos, and ride-share services are also readily available and offer the fastest door-to-door trip, though they cost considerably more than public transit. Metra's North Central Service and Pace suburban buses provide additional public options, while driving via the Kennedy Expressway is straightforward with on-site parking in the main garage, economy lots, or reserved spaces.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flychicago.com/ohare/tofrom/publictransit/Pages/default.aspx",
            "title": "Public Transit | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://flychicago.com/ohare/tofrom/pages/default.aspx",
            "title": "Getting To and From O'Hare International Airport | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "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": "2026-09-01T15:50:47Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/O%27Hare_International_Airport",
            "title": "O'Hare International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T09:41:03Z"
          },
          {
            "url": "https://www.flychicago.com/ohare/home/pages/default.aspx",
            "title": "O’Hare International Airport",
            "favicon": "https://www.flychicago.com/_catalogs/masterpage/favicon.ico"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Juan airport?",
        "answer": "The San Juan Airport Hotel is located at the airport, in Terminal D on the landside, with direct terminal access. There is no transit hotel or accommodation on the airside, so anyone on a layover must pass through immigration and security to reach it. The hotel also offers luggage storage for about $10 per day, and no sleep cabins or pods are available.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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://hilton.com/en/locations/puerto-rico/san-juan/sju-luis-munoz-marin-international-airport",
            "title": "Hotels near Luis Munoz Marin International Airport, San Juan, Puerto Rico - Find Hotels - Hilton",
            "favicon": "https://www.hilton.com/modules/assets/img/brand/WW/favicon_WW.svg"
          },
          {
            "url": "https://sleepinginairports.net/reviews/san-juan-airport-reviews.htm",
            "title": "San Juan Luis Muñoz Marín   Airport Reviews (SJU) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png"
          },
          {
            "url": "https://hilton.com/th/locations/puerto-rico/san-juan/sju-luis-munoz-marin-international-airport/casino/embassy-suites",
            "title": "โรงแรม Embassy Suites Casino ใกล้สนามบินนานาชาติ Luis Munoz Marin ซานฮวน เปอร์โตริโก - ค้นหาโรงแรม - Hilton",
            "favicon": "https://www.hilton.com/modules/assets/img/brand/ES/favicon_ES.svg"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and San Juan airports?",
        "answer": "DuPage Airport, serving the Chicago metro area, offers a passenger terminal with lounges, snooze rooms, showers, and an exercise room for travelers. Luis Muñoz Marín International Airport in San Juan provides modern terminal facilities and is managed under a public-private partnership. Travelers should arrange any needed mobility assistance through their airline at least 48 hours before departure.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/York_Township,_DuPage_County,_Illinois",
            "title": "York Township, DuPage County, Illinois",
            "time_published": "2026-03-30T14:23:39Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_County,_Illinois",
            "title": "DuPage County, Illinois",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-01T17:35:34Z"
          },
          {
            "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": "2026-09-14T07:54:59Z"
          },
          {
            "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/San_Juan_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"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Puerto_Rico",
            "title": "Transportation in Puerto Rico",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-04-24T20:08:05Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to San Juan?",
        "answer": "American Airlines, United Airlines, and Southwest Airlines all operate the Chicago to San Juan route using Boeing 737 family aircraft. American and United fly from O'Hare, while Southwest departs from Midway.",
        "methodology": "Aircraft types come 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "Chicago O'Hare has a strong lineup of lounges for departing travelers, including United Club locations across Terminals 1 and 2, a United Polaris Lounge for international first and business class passengers, and an American Airlines Admirals Club in Terminal 3. Terminal 5 offers several options such as the Air France Lounge, Delta Sky Club, LOT Business Lounge, Wingtips Lounge, and Swissport Lounge. Many lounges offer day passes for travelers without club membership, and amenities like complimentary food and drinks, full-service bars, and Wi-Fi are available at select locations.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/services/Pages/lounges.aspx",
            "title": "Airline Lounges | Chicago O’Hare International Airport  (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international",
            "title": "O'hare International Airport ORD Lounges - ORD Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?icon.1k7202wk2zqql.png?dpl=1f82db4e-b1f8-481b-b911-c24ef915cc46",
            "time_published": "2026-08-18T11:40:12Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/chicago-sky-club-airport-map",
            "title": "Chicago O'Hare (ORD) Airport Map & Lounges | Delta Air Lines",
            "favicon": "https://www.delta.com/content/dam/delta-applications/dlhome/favicon.ico"
          },
          {
            "url": "https://www.prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international/ord10-swissport-lounge",
            "title": "Swissport Lounge ORD AIRPORT Terminal 5 Chicago IL O Hare Intl | Priority Pass",
            "favicon": "https://www.prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/airportAmenities/ord-club.jsp",
            "title": "Chicago, IL (ORD)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to San Juan?",
        "answer": "Baggage allowance on flights from Chicago to San Juan depends on the airline and fare type. Basic economy tickets often restrict checked baggage, while standard economy typically includes 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": "Flights from Chicago to San Juan usually offer Economy and often a domestic first class with larger recliners; flat‑bed Business and Premium Economy are rarely found on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare type; flexible and premium cabins generally allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}