{
  "response": {
    "Key": "CHI-SAL",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "SAL",
      "type": "airport",
      "city": "San Salvador",
      "fullCity": "San Salvador, El Salvador",
      "airport": "Arnulfo Romero Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to San Salvador?",
        "answer": "A direct flight from Chicago (ORD) to San Salvador (SAL) typically takes about 4 hours 40 minutes to 4 hours 55 minutes. With a layover, common connections include Houston or Miami, resulting in total travel times of around 7 to 9 hours. The return flight from San Salvador to Chicago is often slightly shorter due to prevailing winds, usually around 4 hours 30 minutes to 4 hours 45 minutes nonstop."
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to San Salvador?",
        "answer": "Yes, Avianca (AV) operates nonstop flights from Chicago O'Hare (ORD) to San Salvador (SAL) three days a week — Tuesdays, Thursdays, and Saturdays — with departures around 4:10 PM and 5:15 PM, for a total of six weekly flights.",
        "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"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Chicago to San Salvador?",
        "answer": "Yes, visa requirements apply for travel from Chicago to San Salvador depending on your nationality. U.S. citizens do not need a visa for tourism or business stays up to 90 days, but must purchase a tourist card on arrival (around $12 USD). Citizens of many other countries, including several in Latin America, may enter visa-free for varying periods. However, nationals of numerous countries require a visa obtained in advance from an El Salvador embassy or consulate. Always check the latest requirements with the Embassy of El Salvador before travel."
      },
      "q3": {
        "question": "What are the ground transportation options in San Salvador?",
        "answer": "From El Salvador International Airport (SAL) to San Salvador, the most common and reliable option is a taxi. Official airport taxis are available at fixed rates and take about forty minutes to the city center. Ride-share services like Uber operate in the area and are widely used for their convenience and transparent pricing, though you may need to walk a short distance from the terminal to meet your driver. There is no direct mass transit from the airport; public buses exist but are not recommended for visitors due to safety concerns and lack of direct routes to central areas. Car rentals are available at the airport but driving in San Salvador can be challenging due to traffic and road conditions. Most travelers use taxis or ride-share services for a safe and straightforward transfer."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to San Salvador?",
        "answer": "According to seasonal price data for the Chicago (CHI) to San Salvador (SAL) route, the cheapest months to fly are April (average $449), May ($481), September ($483), and March ($494). The most expensive months are December (average $922), November ($612), July ($612), and January ($562).",
        "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 Salvador?",
        "answer": "For flights from Chicago to San Salvador, the optimal booking window is roughly 6 to 9 weeks before departure, when average fares are around $489. The absolute lowest fares appear about 45 days out at $483, while booking last minute or more than 5 months ahead tends to be pricier. During peak summer and holiday periods, it's wise to book a bit earlier, as prices can spike closer to departure.",
        "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 Salvador?",
        "answer": "There are no nonstop red-eye flights from Chicago to San Salvador, but connecting red-eye itineraries do exist — for example, Avianca operates an overnight leg from Chicago O'Hare to Bogotá departing around 11:20 PM and arriving at 5:30 AM, with a connecting flight to San Salvador after a layover of about 3.5 hours.",
        "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 Salvador?",
        "answer": "According to schedule data, Avianca (AV) operates the only nonstop service from Chicago (ORD) to San Salvador (SAL), with about six weekly flights on Tuesdays, Thursdays, and Saturdays. Other carriers may also serve this route with connecting flights, but Avianca is the sole nonstop airline shown.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Chicago and San Salvador?",
        "answer": "Common layover cities include Miami, Houston, Panama City, and Atlanta. Miami and Houston offer many onward flights to San Salvador with short connection times, while Panama City provides a central hub with efficient transfers and visa-free transit for many nationalities. Atlanta adds an additional option with broad domestic and international connections, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to San Salvador?",
        "answer": "On‑time performance is generally consistent, though afternoon and evening flights can encounter delays. Early departures, particularly those operated by Avianca or United, tend to have better punctuality records."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Salvador?",
        "answer": "November to April offers dry season with sunny days and lower humidity, avoiding the rainy months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to San Salvador?",
        "answer": "You need a passport valid for at least six months, a pre-purchased tourist card or visa, proof of onward or return travel, a payment method for bags, and a yellow fever vaccination certificate if arriving from a risk area."
      },
      "q12": {
        "question": "Which airport should I use in San Salvador?",
        "answer": "San Salvador is served by El Salvador International Airport, also known as Monseñor Óscar Arnulfo Romero International Airport. It is the sole international gateway, located about 40 km from downtown San Salvador. All major airlines operate here, including Avianca and United, with connections across the Americas."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "To reach DuPage Airport from downtown Chicago, Metra rail takes about an hour and is affordable. Rideshares and taxis are faster at around 40–50 minutes but cost more. Shuttles are limited, and parking is available."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Salvador airport?",
        "answer": "No on-site hotels or sleeping pods are available at El Salvador International Airport. Nearby hotels such as Quality Hotel Real Aeropuerto and Hotel Los Farallones offer shuttle service, usually within a 10-minute drive."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Arnulfo Romero Airport?",
        "answer": "Yes, El Salvador International Airport has currency exchange offices and ATMs in the main terminal, a small chapel near the departure gates, and free Wi‑Fi available throughout the terminal."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and San Salvador airports?",
        "answer": "Chicago O'Hare and San Salvador International offer wheelchair assistance and accessible restrooms; request help from your airline at least 48 hours before travel. O'Hare has a children's play area in Terminal 2 and a sensory room in Terminal 1. San Salvador lacks dedicated children's play areas but provides family restrooms and priority boarding for families."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to San Salvador?",
        "answer": "Nonstop service from Chicago to San Salvador typically uses the Airbus A320-200 Neo operated by Avianca, while most connecting itineraries feature a Boeing 737 MAX 9 on the longer leg (often via Houston) or an Airbus A320-100 via various Avianca hubs like Toronto, Washington-Dulles, Boston, or Miami. The exact aircraft can vary by day and airline, but these Airbus A320-family and Boeing 737 MAX types are the most common; Wi-Fi and seatback entertainment are widely available on these modern narrowbody jets.",
        "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 Salvador?",
        "answer": "Based on the schedule data, the only nonstop carrier between Chicago (ORD) and San Salvador (SAL) is Avianca, a Star Alliance member. No other alliances operate nonstop service on this route, though other alliances may offer connecting itineraries.",
        "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 in Terminal 1 near Gate B18 and the United Polaris Lounge in Terminal 1 near Gate C18 serve international business‑class passengers with dining, showers and quiet suites. The American Airlines Admirals Club in Terminal 3 near Gate H6/K6 welcomes business‑class travellers, elite members and day‑pass buyers. Delta Sky Club in Terminal 5 near Gate M14 offers a bar and runway views. The Swissport Lounge in Terminal 5 is available via Priority Pass, selling day passes."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to San Salvador?",
        "answer": "Baggage allowance on Chicago to San Salvador flights varies by airline and fare class. Basic economy often excludes a checked bag, while standard international economy typically includes one checked bag and a carry-on. Premium cabins offer higher limits."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to San Salvador?",
        "answer": "Flights from Chicago to San Salvador typically offer Economy and flat-bed Business class; Premium Economy is uncommon 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 cabin tickets typically offer same‑day changes or standby, while restrictive economy fares often do not."
      }
    }
  }
}