{
  "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 or MDW) to San Juan (SJU) typically takes about 4 hours 30 minutes to 5 hours. With a layover, common connecting cities like Miami, Charlotte, or Atlanta bring the total travel time to roughly 6 to 8 hours. Return flights from San Juan to Chicago are often slightly shorter due to tailwinds, averaging 4 hours 15 minutes to 4 hours 45 minutes nonstop."
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to San Juan?",
        "answer": "Yes, there are nonstop flights from Chicago to San Juan. American Airlines and United both fly daily from O'Hare (ORD), each with two flights per day, while Southwest operates from Midway (MDW) on Saturdays and Sundays only.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in San Juan?",
        "answer": "Luis Muñoz Marín International Airport (SJU) is located about three miles from central San Juan. Taxis are readily available outside the terminals and offer fixed rates to major zones like Old San Juan and Condado, taking about fifteen minutes; they are the most used option for visitors. Ride-share services such as Uber are also available and may be slightly cheaper. Public buses operated by AMA connect the airport to San Juan via routes T5 and D53, but they are infrequent and not recommended for travelers with luggage. There is no direct rail link from the airport; the Tren Urbano does not serve SJU. Car rentals are widespread and useful for exploring the island, but driving and parking in Old San Juan can be challenging. Shared shuttle vans are another alternative, though less common."
      },
      "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 $362), April ($403), and May ($411), while the most expensive are December ($674), January ($598), and February ($596).",
        "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 the Chicago to San Juan route, the best fares are typically found when booking 9 to 12 weeks ahead, with an average price around $486. The absolute lowest fare in the data was $479 at 75 days out, while last-minute bookings (0 days) can rise to $658. For summer and holiday travel, you may want to book a bit earlier than this window to secure availability and avoid peak premiums.",
        "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": "There are no nonstop red-eye flights from Chicago to San Juan. Connecting overnight itineraries do exist, with the long leg typically departing late evening (around 9:20 PM from Orlando or 11:01 PM from Dallas) and arriving in San Juan after midnight or early morning (around 12:20 AM or 5:02 AM), but no direct late-night nonstop service operates on this route.",
        "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": "From Chicago to San Juan, nonstop flights are available on American Airlines (from O'Hare) typically around $594, United Airlines (also from O'Hare) around $609, and Southwest (from Midway) around $451. American and United both operate twice‑daily, while Southwest flies only on Saturdays and Sundays.",
        "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.",
        "relevant": true,
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Chicago and San Juan?",
        "answer": "Common layover cities include Miami, Charlotte, Atlanta, and New York (JFK). Miami and Charlotte offer high-frequency connections to San Juan with efficient transfers. Atlanta provides a vast network, while JFK adds flexibility. Since San Juan is a U.S. territory, travel is domestic, so visa-free transit is irrelevant."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to San Juan?",
        "answer": "On-time performance is generally reasonable, but afternoon thunderstorms in Chicago and Caribbean weather can cause delays. Early morning departures on carriers like United and Southwest tend to be more reliable."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Juan?",
        "answer": "Mid‑December to April offers dry, warm weather and smaller crowds outside the holiday peak."
      },
      "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, domestic travel rules apply. Bring a Real ID or passport, payment for baggage, and any required health documents. No visa or onward travel proof is needed for U.S. citizens."
      },
      "q12": {
        "question": "Which airport should I use in San Juan?",
        "answer": "Luis Muñoz Marín International Airport is the only major commercial airport serving San Juan. It is about 3 miles from downtown and handles all scheduled domestic and international flights. There is no other practical airport for San Juan."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Juan airport?",
        "answer": "San Juan Airport (SJU) does not have on-site hotels, capsule hotels, or sleeping pods. The nearest hotel is the San Juan Airport Hotel, located within the airport complex but outside the secure area, accessible via a short walk from the terminals. Other nearby hotels, such as the Verdanza Hotel and Hampton Inn, offer free shuttle service."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Luis Munoz Marin Intl Airport?",
        "answer": "Luis Muñoz Marín Airport has a currency exchange in Terminal A near baggage claim, a chapel in Terminal D, and free Wi‑Fi throughout all terminals."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and San Juan airports?",
        "answer": "At Chicago O’Hare, wheelchair assistance and electric cart service are available; request through your airline 48 hours in advance. The airport features a sensory room and Kids on the Fly play area in Terminal 2. At San Juan Luis Muñoz Marín, wheelchair assistance and accessible restrooms are provided; a children’s play zone is located near Gate 28. Arrange assistance ahead with your airline."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to San Juan?",
        "answer": "On nonstop flights from Chicago to San Juan, the most commonly seen aircraft in the schedule data are the Airbus A321neo (operated by United) and the Boeing 737-800 (American), with Frontier also showing an unspecified type; connecting itineraries frequently use Boeing 737-800s and 737 MAX 8s on Southwest via Baltimore or Orlando, or Airbus A321s on American via Miami. The exact aircraft can vary by day and airline, and while specific in-flight amenities aren't reported here, Wi-Fi and seatback entertainment are widely available on this route.",
        "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 Juan?",
        "answer": "Nonstop flights from Chicago to San Juan are operated by American Airlines (Oneworld), United Airlines (Star Alliance), and Southwest Airlines, which is a major carrier that belongs to no alliance. Other alliances may serve the route via connections, but the nonstop schedule data shows only these three carriers.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "At Chicago O'Hare, the United Club near Gate B6 and the United Polaris Lounge at Gate C18 offer premium dining and showers. The American Airlines Admirals Club at Gate H6 provides workspaces and a full bar. The Delta Sky Club near Gate E6 features a sky deck. The Swissport Lounge in Terminal 5 accepts Priority Pass and sells day passes."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to San Juan?",
        "answer": "Baggage rules depend on the airline and fare type. Basic economy fares often exclude a free checked bag; standard economy typically includes one checked bag and a carry-on. Premium cabins allow more. Since Puerto Rico is a U.S. territory, some airlines treat this as a domestic route, so check your specific flight's policy."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to San Juan?",
        "answer": "Flights from Chicago to San Juan typically offer Economy and, on select flights, a premium cabin with larger seats but rarely fully flat beds. Premium Economy is not common, and flat-bed Business is generally not available on this domestic route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Chicago to San Juan?",
        "answer": "The cheapest day to fly from Chicago to San Juan is Wednesday, with an average fare of $585, while Thursday is the most expensive at an average of $633. The cheapest time of day to depart is late night, where fares start as low as $202, in contrast to evening departures which are the priciest with a minimum of $316.",
        "methodology": "The cheapest day of the week and time of day to depart are drawn from the same large sample of real fares Priceline users found on this route in the last 72 hours, grouped by the day of the week and by the time-of-day window of the outbound departure, with the lowest and average price reported for each.",
        "relevant": true,
        "toolsUsed": [
          "departure_timing"
        ]
      },
      "q25": {
        "question": "What is a good price for a flight from Chicago to San Juan?",
        "answer": "A good price for a flight from Chicago to San Juan is under $411, which is considered a great deal, while the typical fare is around $606.",
        "methodology": "The typical price, the lowest fare, a 'great deal' threshold, and how fares are spread across price bands are summarized from a large sample of the real fares Priceline users found on this route in the last 72 hours, with a small fraction of extreme outlier fares excluded from the range.",
        "relevant": true,
        "toolsUsed": [
          "price_context"
        ]
      }
    }
  }
}