{"response": {"Key": "CHI-MAD", "orig": {"code": "CHI", "type": "airport", "city": "Chicago", "fullCity": "Chicago, Illinois", "airport": "Dupage County"}, "dest": {"code": "MAD", "type": "airport", "city": "Madrid", "fullCity": "Madrid, Spain", "airport": "Adolfo Suárez Barajas Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Chicago to Madrid?", "answer": "The flight from Chicago to Madrid is about 4,190 miles. Nonstop service takes around 8 hours and 5 minutes, while the return leg is longer at about 9 hours and 40 minutes due to prevailing winds.", "methodology": "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": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Chicago to Madrid?", "answer": "Yes, there are non‑stop flights from Chicago O'Hare to Madrid on two airlines: American Airlines and Iberia. Both operate daily, with American running up to 7 flights a day (departing in the late evening) and Iberia offering 3 daily departures (afternoon through early evening). The flight takes roughly 8 hours eastbound and about 9 hours 40 minutes on the return.", "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"]}, "q3": {"question": "What are the ground transportation options in Madrid?", "answer": "Madrid-Barajas Airport (MAD) offers several ground transportation options to the city center, located about 13 km northeast of Puerta del Sol. The most-used and often fastest option is the Metro (Line 8), which connects all terminals to Nuevos Ministerios in about 12–15 minutes; from there, you can transfer to the city's wider network. Taxis are readily available and provide a direct ride to central Madrid in roughly 20–30 minutes, though they are more expensive than the Metro. Ride-share services like Uber and Cabify operate at the airport, but they typically require a short walk to designated pickup points and are comparable in cost to taxis. Car rentals are available on-site, but driving and parking in central Madrid can be challenging, so they are less popular for city-center trips. The Cercanías commuter train (lines C-1 and C-10) also serves Terminal 4, offering a quick link to Atocha and Chamartín stations, making it a good alternative if you are near those hubs.", "toolsUsed": [], "references": [{"url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/servicios-asistencia-pasajaros/meet-and-assist", "title": "Assistance services at Madrid Barajas Airport", "time_published": "2026-02-02T00:00:00Z"}, {"url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/acceso-prioritario-fast-track", "title": "Preferential access at Adolfo Suarez Airport - Fast Track - Aena VIP Services", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Madrid%E2%80%93Barajas%20Airport", "title": "Madrid–Barajas Airport", "time_published": "2026-04-23T21:26:07Z"}, {"url": "https://en.wikipedia.org/wiki/Adolfo_Suárez_Stadium", "title": "Adolfo Suárez Stadium", "time_published": "2026-01-20T00:40:19Z"}, {"url": "http://www.aena.es/en/madrid-barajas-adolfo-suarez/airport-services/shops-and-restaurants/sunglass-hut.html&p=1575047980206&t=t2", "title": "Sunglass Hut | Adolfo Suárez Madrid-Barajas Airport | Aena", "time_published": "2026-01-01T00:00:00Z"}]}, "q4": {"question": "When is the cheapest time to fly from Chicago to Madrid?", "answer": "The cheapest months to fly from Chicago to Madrid are October ($661), September ($683), and November ($702), while the most expensive are June ($1109), May ($982), and July ($924).", "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 Madrid?", "answer": "For flights from Chicago to Madrid, the optimal booking window is generally 9 to 11 weeks before departure, when fares average around $790. The absolute lowest fare tends to appear about 75 days out at $786, while last-minute bookings can climb to $944. During peak summer and holiday periods, demand pushes prices higher across all lead times, so it's wise to book at least 3 months ahead for those travel dates.", "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 Madrid?", "answer": "No nonstop red‑eye flights operate from Chicago to Madrid, but several one‑stop itineraries have an overnight long leg. From Chicago O’Hare, you can connect via Frankfurt on Lufthansa (departing 4:05 PM, arriving 7:25 AM), via Paris CDG on Air France (departing 5:10 PM, arriving 8:15 AM), or via Amsterdam on KLM (departing 4:20 PM, arriving 7:05 AM) — all three arrive in the early morning hours the next day. Other overnight connections route through eastern US gateways such as Boston, New York JFK, Newark, Philadelphia, or Washington Dulles on Iberia, American, or United, with the transatlantic leg typically departing between 4:30 PM and 9:20 PM and landing in Madrid between 5:35 AM and 10:30 AM the next morning.", "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 Madrid?", "answer": "American Airlines and Iberia both operate non‑stop flights from Chicago O'Hare to Madrid. American runs up to 43 weekly flights with late‑evening departures, while Iberia offers 21 weekly flights departing in the late afternoon and early evening. Specific per‑carrier median fares aren't available, but these are the main carriers on the route.", "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 Madrid?", "answer": "Common layover cities include New York (JFK), Philadelphia, Lisbon, and Dublin. New York and Philadelphia offer many onward flights and efficient connections. Lisbon and Dublin provide visa‑free transit for many nationalities and can keep total travel time competitive."}, "q10": {"question": "Which months have the best weather for traveling to Madrid?", "answer": "April to June and September to October offer pleasant temperatures and fewer tourists than summer."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Chicago to Madrid?", "answer": "Bring a passport valid for at least three months beyond your planned departure from the Schengen area. U.S. citizens do not need a visa for stays under 90 days, but starting in 2025 you may need an ETIAS authorization; confirm current status. Carry proof of onward travel, payment for baggage, and any required vaccination certificates."}, "q12": {"question": "Which airport should I use in Madrid?", "answer": "Madrid has one main commercial airport, Adolfo Suárez Madrid-Barajas, which handles all international and domestic flights."}, "q13": {"question": "How do I get to Dupage County from the city center?", "answer": "The fastest and most popular way from downtown Chicago to O'Hare International Airport is the CTA Blue Line 'L' train, which runs 24/7 and takes about 40–45 minutes for a few dollars. Shared-ride shuttles and regional buses also serve the airport, while taxis and ride‑share services offer door‑to‑door convenience at a higher cost, typically $30–50. Driving yourself is an option too, with hourly, daily, and economy parking available on‑site.", "toolsUsed": [], "references": [{"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://www.flychicago.com/ohare/map", "title": "Map | Chicago O’Hare International Airport (ORD)", "time_published": "2026-05-27T00:00:00Z"}, {"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": "2026-05-15T02:56:07Z"}, {"url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago", "title": "Transportation in Chicago", "time_published": "2026-04-13T06:59:09Z"}, {"url": "https://faa.gov/regulations_policies/orders_notices/index.cfm/go/document.information/documentID/6111", "title": "Order  3330.39 - Chicago/o'hare Airport Traffic Control Tower (ATCT) Staffing PChicago/o'hare Airport Traffic Control Tower (ATCT) Staffing Plan (Cancelled)", "time_published": "2026-04-10T00:00:00Z"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Madrid airport?", "answer": "Madrid Airport (MAD) has the Air Rooms landside in Terminal 4, offering private rooms for overnight or day-use blocks of 3–6 hours, with shower facilities available. There are no capsule hotels or sleeping pods, but nearby off-site hotels like the ibis Madrid Aeropuerto Barajas and Novotel Madrid Campo de las Naciones are connected by shuttle. Terminal 4S also has rest zones with padded reclining chairs past Gate 17, providing a place to rest without leaving the secure area.", "toolsUsed": [], "references": [{"url": "https://all.accor.com/a/en/destination/place/hotels-adolfo-suarez-madrid-barajas-airport-ci266.html", "title": "Hotels near Adolfo Suárez Madrid-Barajas Airport, Madrid: book with all.accor.com", "time_published": "2026-04-21T00:00:00Z"}, {"url": "https://sleepinginairports.net/guides/madrid-barajas-airport-guide.htm", "title": "Madrid-Barajas Airport Guide (MAD) - 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": "2018-10-02T00:00:28Z"}, {"url": "https://activities.marriott.com/europe/spain/community-of-madrid/madrid/activities/private_shuttle_transfer_from_city_centre_to_airport-X54GOE?property=MADCO", "title": "Private Shuttle Transfer from City Centre to Airport", "time_published": "2026-02-28T00:00:00Z"}, {"url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/servicios-asistencia-pasajaros/meet-and-assist", "title": "Assistance services at Madrid Barajas Airport", "time_published": "2026-02-02T00:00:00Z"}, {"url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-madrid-barajas-airport.htm", "title": "Sleeping in Madrid Barajas Airport", "time_published": "2024-09-12T00:00:00Z"}, {"url": "https://all.accor.com/gb/place/hotels-adolfo-suarez-madrid-barajas-airport-ci266-v2418.shtml", "title": "Hotels near Adolfo Suárez Madrid-Barajas Airport, Madrid: book with all.accor.com", "time_published": "2024-09-25T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Chicago to Madrid?", "answer": "The nonstop flights from Chicago to Madrid are typically operated with Airbus A330-300s (by Iberia) and Boeing 787-8s (by American Airlines), with some Iberia flights also listed as a generic A330 and some American flights as a generic 787. On connecting itineraries, the long-haul leg most often uses Airbus A330-300s, Boeing 787-8s, or Boeing 777-200s, depending on the airline and connection point; the short domestic hop to the hub is frequently an Embraer 175 or Boeing 737-800. The exact aircraft can vary by day and airline, but A330s and 787s are the most common widebodies 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 Madrid?", "answer": "Nonstop flights from Chicago to Madrid are operated by American Airlines, a Oneworld member, and Iberia, also a Oneworld member. Both airlines belong to the same alliance, so Oneworld is the sole alliance serving this route nonstop; 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. 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"]}, "q20": {"question": "What are the best airport lounge options when departing from Chicago?", "answer": "At Chicago O'Hare, the most convenient lounge for a Madrid-bound traveler is the Iberia co-branded American Admirals Club in Terminal 3 (Gates G8 and L2A), accessible with a day pass, elite status, or a business-class ticket. For a premium experience, the American Flagship Lounge nearby (Gate H6/K6) offers sit-down dining and is available to international first and business class passengers. Other notable options include the Delta Sky Club and the Air France Lounge in Terminal 5, both welcoming SkyTeam Elite Plus members and business class travelers, along with the Swissport Lounge, which accepts Priority Pass and day passes.", "toolsUsed": [], "references": [{"url": "https://www.flychicago.com/ohare/ServicesAmenities/services/Pages/lounges.aspx", "title": "Airline Lounges | Chicago O’Hare International Airport (ORD)", "time_published": "2026-05-29T00:00:00Z"}, {"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", "time_published": "2022-11-18T00:00:00Z"}, {"url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international/ord10-swissport-lounge", "title": "Swissport Lounge ORD AIRPORT Terminal 5 O'Hare International | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/ORD", "title": "American Express Lounges at O'Hare International Airport | Amex CA", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "http://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/ORD/Swissport-Lounge-Terminal-5-Concourse-M-5mTKilCqDl/", "title": "Swissport Lounge at O'Hare International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}]}, "q21": {"question": "What is the baggage allowance on this route from Chicago to Madrid?", "answer": "Baggage allowance on Chicago–Madrid flights varies by airline and fare. Basic Economy often excludes checked bags; standard economy usually includes one free checked bag and a carry‑on. Premium cabins allow more."}, "q22": {"question": "What cabin and seat options are typical from Chicago to Madrid?", "answer": "On flights from Chicago to Madrid you can typically book Economy, Premium Economy, and lie-flat Business class, with First class offered only on select airlines and dates."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare type; flexible tickets and premium cabins generally allow same‑day changes or standby, while basic economy fares typically do not."}}}}