{
  "response": {
    "Key": "CLT-SJU",
    "orig": {
      "code": "CLT",
      "type": "airport",
      "city": "Charlotte",
      "fullCity": "Charlotte, North Carolina",
      "airport": "Douglas Intl Airport"
    },
    "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 Charlotte to San Juan?",
        "answer": "A nonstop flight from Charlotte (CLT) to San Juan (SJU) typically takes about 3 hours and 40 minutes. Flights with one stop, most commonly in Miami or Atlanta, usually take between 5 and 7 hours total travel time. The return flight from San Juan to Charlotte is often slightly shorter, averaging around 3 hours and 30 minutes nonstop. American Airlines offers the fastest nonstop service on this route."
      },
      "q1": {
        "question": "Are there any direct flights from Charlotte to San Juan?",
        "answer": "Yes, American Airlines and Frontier fly non‑stop from Charlotte (CLT) to San Juan (SJU). American operates about 52 weekly flights — roughly 7 to 8 departures daily — while Frontier runs 5 flights per week on Tuesdays, Thursdays, 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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in San Juan?",
        "answer": "From Luis Muñoz Marín International Airport (SJU) to San Juan’s city center, taxis are the most used and convenient option, with fixed fares to zones like Old San Juan or Condado. Ride-share services such as Uber are available but may have limited pickup areas. Public buses (AMA) are the cheapest but slowest option, with the T5 bus connecting to the Tren Urbano light rail at Sagrado Corazón station, taking well over an hour. The Tren Urbano itself does not serve the airport directly. Car rentals are widely available and useful for exploring beyond the city, though parking in Old San Juan is scarce. Shared shuttle vans and private transfers can be pre-booked. Taxis are generally the most reliable and popular choice for direct access to hotels and the city center."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Charlotte to San Juan?",
        "answer": "The cheapest months to fly from Charlotte to San Juan are August (average $481), September ($514), and July ($543), which are part of the low season. The most expensive months are December (average $748), February ($687), and March ($682), which fall in the high season.",
        "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 Charlotte to San Juan?",
        "answer": "For flights from Charlotte to San Juan, the optimal booking window is roughly 8 to 11 weeks before departure, with average fares around $617 and the absolute cheapest single fare at 75 days out ($613). Prices tend to climb steeply inside 4 weeks, peaking at $867 for last‑minute bookings, while booking more than 20 weeks ahead offers no additional savings. During summer and holiday periods, demand spikes can shrink the sweet spot, so aiming closer to 10–12 weeks ahead 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 Charlotte to San Juan?",
        "answer": "There are no nonstop red-eye flights from Charlotte (CLT) to San Juan (SJU). Connecting itineraries with an overnight leg do exist, such as via Orlando (MCO) on Frontier departing around 11:17 PM and arriving in San Juan at 2:15 AM, or via Houston (IAH) on United departing around 11:56 PM and arriving at 5:29 AM, but these require a layover and are not direct overnight flights from Charlotte.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Charlotte and San Juan?",
        "answer": "Common layovers include Miami, Atlanta and Orlando, which keep total travel time competitive. Miami offers broad Caribbean connections and short onward flights. Atlanta provides high-frequency domestic links and efficient transfers. Orlando adds a budget-friendly option with growing service to San Juan. Since Puerto Rico is a U.S. territory, no passport is needed for U.S. citizens, and visa-free transit is irrelevant."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Charlotte to San Juan?",
        "answer": "On-time performance is usually consistent, but afternoon thunderstorms in Charlotte can cause delays. Early morning departures on American Airlines tend to be more reliable."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Juan?",
        "answer": "Mid-December to April offers the driest, most comfortable weather and avoids the summer heat and hurricane season."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Charlotte to San Juan?",
        "answer": "For travel from Charlotte to San Juan, bring a Real ID or passport, as Puerto Rico is a U.S. territory and domestic travel rules apply. No visa is needed for U.S. citizens. Have a payment method for baggage fees and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in San Juan?",
        "answer": "Luis Muñoz Marín International Airport is the primary airport serving San Juan, located just a few miles from downtown and close to major attractions like Old San Juan and Condado. It handles all commercial flights, with major U.S. carriers, regional connections, and some low-cost options."
      },
      "q13": {
        "question": "How do I get to Douglas Intl Airport from the city center?",
        "answer": "From Uptown Charlotte to CLT, the Sprinter bus takes about 20–25 min and is the cheapest public transit. Rideshares and taxis take 15–20 min and offer door‑to‑door convenience at a higher cost. Driving and parking are also options."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Juan airport?",
        "answer": "San Juan Airport does not have on-site hotels, capsule hotels, or sleeping pods. The nearest hotel is the San Juan Airport Hotel, located just outside Terminal D, accessible by a short walk without a shuttle. Other nearby hotels offer free shuttle service."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Luis Munoz Marin Intl Airport?",
        "answer": "Yes, Luis Muñoz Marín International Airport has a currency exchange office in Terminal A near baggage claim, a chapel on the second level of Terminal D, and free Wi‑Fi available throughout all terminals."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Charlotte and San Juan airports?",
        "answer": "Charlotte Douglas offers wheelchair assistance and accessible facilities; request help through your airline 48 hours ahead. A children’s play area is in the Atrium. San Juan Luis Muñoz Marín provides wheelchair assistance, accessible restrooms, and a children’s play zone near Gate 28; advance requests are recommended."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Charlotte to San Juan?",
        "answer": "Nonstop flights from Charlotte to San Juan typically use the Airbus A321-100, operated by American Airlines. Connecting itineraries most often involve Boeing 737-800s (via Miami or Chicago on American) or Boeing 737 MAX 9s (via Newark, Houston, or Washington Dulles on United), though the exact aircraft can vary by day and airline. Wi-Fi and seatback entertainment are widely available on this route, but specific offerings depend on the carrier and aircraft assigned on the day of travel.",
        "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 Charlotte to San Juan?",
        "answer": "From Charlotte (CLT) to San Juan (SJU), the nonstop schedule data shows American Airlines (a Oneworld member) and Frontier (which belongs to no alliance). Oneworld serves the route through American; Frontier is an unaffiliated carrier, and other alliances such as Star Alliance or SkyTeam may offer connecting itineraries but do not operate nonstop here.",
        "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 Charlotte?",
        "answer": "At Charlotte Douglas, the American Airlines Admirals Club in Concourses B and C, and the American Express Centurion Lounge in Concourse D/E are the primary options. The Admirals Club serves premium cabin passengers and elite members, offering snacks and workspaces. The Centurion Lounge grants access to eligible Amex cardholders and features complimentary cocktails, hot meals and a shower suite. Delta Sky Club and United Club are not available at CLT."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Charlotte to San Juan?",
        "answer": "Baggage allowance on flights from Charlotte to San Juan varies by airline and fare class. Basic economy tickets are restrictive and may not include a checked bag. Standard economy usually includes one checked bag and a carry‑on. Premium cabins offer additional allowances. Since Puerto Rico is a U.S. territory, domestic baggage rules apply."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Charlotte to San Juan?",
        "answer": "Typical cabin options are Economy and standard recliner First Class, with flat-bed Business not available and Premium Economy not offered 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 cabin tickets typically allow same-day changes or standby, while Basic Economy usually does not."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Charlotte to San Juan?",
        "answer": "Based on fare data, the cheapest day to fly from Charlotte to San Juan is Friday with an average price of $740 and a minimum of $344, while Sunday is the most expensive day with an average of $781. The cheapest time of day to depart is Evening, with fares starting at $344, contrasting with Late Night which has the highest minimum at $506.",
        "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 Charlotte to San Juan?",
        "answer": "A good price for a flight from Charlotte to San Juan is anything below $539, which counts as a great deal, while the typical price on this route is around $764.",
        "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"
        ]
      }
    }
  }
}