{"response": {"Key": "MAD-CHI", "orig": {"code": "MAD", "type": "airport", "city": "Madrid", "fullCity": "Madrid, Spain", "airport": "Adolfo Suárez Barajas Airport"}, "dest": {"code": "CHI", "type": "airport", "city": "Chicago", "fullCity": "Chicago, Illinois", "airport": "Dupage County"}, "faq": {"q0": {"question": "What is the typical flight duration from Madrid to Chicago?", "answer": "The flight from Madrid to Chicago is about 4,190 miles. Nonstop service takes around 9 hours 40 minutes eastbound, with the return leg back to Madrid about 8 hours 5 minutes — roughly 1 hour 35 minutes shorter thanks to prevailing tailwinds.", "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 Madrid to Chicago?", "answer": "Yes, Iberia and American Airlines both fly nonstop from Madrid to Chicago O'Hare, each with 14 weekly flights operating daily. Iberia typically departs around 11:35 AM or noon, while American departs around 1:35 PM or 4:40 PM; the flight takes about 9 hours and 40 minutes on average.", "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 Chicago?", "answer": "From Chicago O'Hare, the CTA Blue Line train offers a fast, economical ride directly from the airport to downtown, and it's the most popular choice. Taxis, limos, and rideshare services like Uber and Lyft are readily available at the terminals for door-to-door convenience. Several rental car companies operate on-site for those who prefer to drive, and regional shuttles and buses serve the city and suburbs. The Blue Line is typically the quickest option during peak traffic, while rideshares and taxis provide more flexibility with luggage or late-night arrivals.", "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"}]}, "q4": {"question": "When is the cheapest time to fly from Madrid to Chicago?", "answer": "The cheapest months to fly from Madrid to Chicago are October, September, and November, with average fares around $661 to $702, while the most expensive months are June, May, and July, with average fares from $924 up to $1109.", "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.", "toolsUsed": ["seasonal_prices"]}, "q5": {"question": "How far in advance should I book tickets from Madrid to Chicago?", "answer": "For flights from Madrid to Chicago, the best fares are typically found when booking 9 to 11 weeks ahead, averaging around $790. Booking about 75 days out can yield the very lowest fare, around $786, while last-minute bookings can cost over $940. During summer and holiday periods, demand pushes prices higher, so aiming for the earlier end of that window or even a bit further out may help secure a better deal.", "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.", "toolsUsed": ["booking_timing"]}, "q6": {"question": "Are overnight (red‑eye) flights available from Madrid to Chicago?", "answer": "No red-eye flights operate from Madrid to Chicago — neither nonstop nor connecting itineraries with an overnight long leg are scheduled 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"]}, "q8": {"question": "If I need a connection, what are common layover cities between Madrid and Chicago?", "answer": "Common layover cities include Paris, Amsterdam, London, and Dublin. These hubs offer broad transatlantic connections, efficient one-terminal transfers, and visa‑free transit for many passport holders, keeping overall travel time competitive."}, "q10": {"question": "Which months have the best weather for traveling to Chicago?", "answer": "May, June, September, and early October offer pleasant temperatures and fewer tourists than the peak summer months."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Madrid to Chicago?", "answer": "Bring a passport valid for your stay, an ESTA authorization or U.S. visa, proof of onward or return travel, a payment method for bags, and any required vaccination certificates."}, "q12": {"question": "Which airport should I use in Chicago?", "answer": "O'Hare is the primary international gateway with the most flights and airline alliances. Midway is closer to downtown and mainly serves domestic low-cost carriers like Southwest."}, "q13": {"question": "How do I get to Adolfo Suárez Barajas Airport from the city center?", "answer": "From Madrid city center, the fastest and most popular way to reach Adolfo Suárez Madrid-Barajas Airport is the Metro Line 8, which takes about 15–20 minutes from Nuevos Ministerios. The 24‑hour Exprés Aeropuerto bus (line 203) is a budget‑friendly alternative stopping at major terminals. Taxis and ride‑share services offer door‑to‑door convenience at a higher cost, and driving is possible with several official parking lots available at the airport.", "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"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Chicago airport?", "answer": "Chicago O'Hare (ORD) doesn't have on-site capsule hotels or sleeping pods, but the Hilton Chicago O'Hare is connected to the domestic terminals via an underground walkway and doesn't require a shuttle. Many nearby hotels, like the SpringHill Suites and Chicago Marriott Suites O'Hare, offer complimentary shuttle service from the airport. For a quick rest airside, travelers report finding couches in Terminal 3's Concourse K and circular sofas just past security in Terminal 5.", "toolsUsed": [], "references": [{"url": "https://sleepinginairports.net/guides/chicago-ohare-airport-guide.htm", "title": "Chicago O'Hare Airport Guide (ORD) - 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": "2018-08-08T19:18:20Z"}, {"url": "https://www.marriott.com/en-us/hotels/chico-springhill-suites-chicago-ohare/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0", "title": "Hotel near O'Hare Airport with Free Shuttle | Springhill Suites", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/chico-springhill-suites-chicago-ohare/overview/", "title": "Hotel near O'Hare Airport with Free Shuttle | Springhill Suites Chicago O'Hare", "time_published": "2023-08-11T00:00:00Z"}, {"url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-chicago-ohare-airport.htm", "title": "Sleeping in Chicago O’Hare Airport", "time_published": "2024-09-12T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/O%27Hare%20International%20Airport", "title": "O'Hare International Airport", "time_published": "2026-04-30T12:30:58Z"}, {"url": "https://www.marriott.com/en-us/hotels/chist-chicago-marriott-suites-ohare/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0", "title": "Hotels Near O'Hare Airport in Chicago | Chicago Marriott Suites O'Hare Hotel", "time_published": "2023-08-11T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Dupage County?", "answer": "Chicago O'Hare International Airport (ORD) has currency exchange offices and ATMs located throughout the terminals, so you can exchange cash or withdraw local currency before or after your flight. Free Wi‑Fi is available in all terminals, with charging stations to keep your devices powered. The airport also has a chapel and an interfaith room, though specific terminal locations are not detailed in the available information.", "toolsUsed": [], "references": [{"url": "https://flychicago.com/ohare/ServicesAmenities/services/pages/default.aspx", "title": "Services  | Chicago O’Hare International Airport  (ORD)", "time_published": "2026-05-05T00:00:00Z"}, {"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/O%27_Hare_International_Airport", "title": "O'Hare International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2003-06-18T03:43:42Z"}, {"url": "https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/air_traffic_services/atct/ord", "title": "Chicago O'Hare International Airport (ORD) | Federal Aviation Administration", "time_published": "2023-02-23T00:00:00Z"}, {"url": "https://en.wikipedia.org/w/index.php?oldid=828932762&redirect=no&title=O%27Hare_International_Airport", "title": "O'Hare International Airport - Wikipedia", "time_published": "2003-06-18T03:43:42Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Madrid to Chicago?", "answer": "Nonstop flights from Madrid to Chicago typically use the Airbus A330-300 and Boeing 787-8, operated by Iberia and American Airlines respectively, though exact aircraft can vary by day. Connecting itineraries add other long-haul types like the Boeing 777, 787-9, and 787-10, depending on the route and carrier. Wi-Fi and seatback entertainment are widely available on these aircraft, but specifics differ by airline.", "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 Madrid to Chicago?", "answer": "Iberia and American Airlines fly nonstop from Madrid to Chicago, and both belong to the oneworld alliance, so oneworld is the only alliance with nonstop service on this route. Other alliances may serve it via connections, but no non-allied carrier operates the route nonstop.", "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 Madrid?", "answer": "At Madrid-Barajas Airport, the Neptuno VIP Lounge in the non-Schengen Terminal 4S satellite is the primary independent lounge, open 24 hours and accessible with a day pass or Priority Pass. Aena also operates Sala VIP Cibeles in Terminal 1, Sala VIP Puerta De Alcala in Terminal 2, and Sala VIP Puerta Del Sol in Terminal 3, which are available to Priority Pass and some premium card holders, though they are not airline-branded. Iberia's flagship lounges in Terminal 4 are the main airline-affiliated options for eligible business-class passengers and elite status holders. The Hub Lounge Aerotel in Terminal 4 offers a paid-entry option with sleep pods and showers for travelers seeking rest.", "toolsUsed": [], "references": [{"url": "https://my.prioritypass.com/en-GB/lounges/spain/adolfo-suarez-madrid-barajas", "title": "Adolfo Suárez Madrid-Barajas Airport MAD Lounges - MAD Airport Guide and lounges.  | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://www.prioritypass.com/en-GB/lounges/spain/adolfo-suarez-madrid-barajas", "title": "Adolfo Suárez Madrid-Barajas Airport MAD Lounges - MAD Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://americanexpress.com/en-xb/travel/lounges/the-platinum-card/MAD", "title": "American Express Lounges at Madrid Barajas Airport | Amex XB", "time_published": "2026-05-05T00:00:00Z"}, {"url": "https://americanexpress.com/en-au/travel/lounges/the-platinum-card/MAD", "title": "American Express Lounges at Madrid Barajas Airport | Amex AU", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/salas-vip/neptuno", "title": "Neptuno VIP Lounge at Adolfo Suarez Madrid Barajas Airport - Aena VIP Services", "favicon": "https://serviciosvip.aena.es/vip"}]}, "q21": {"question": "What is the baggage allowance on this route from Madrid to Chicago?", "answer": "On Madrid–Chicago flights, Basic Economy often excludes checked bags. Standard international economy typically includes one checked bag and a carry‑on, while premium cabins allow more. Always verify with your airline."}, "q22": {"question": "What cabin and seat options are typical from Madrid to Chicago?", "answer": "Flights from Madrid to Chicago typically offer Economy and flat-bed Business class, with Premium Economy available on select carriers like Iberia and American Airlines."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare class; flexible and premium tickets typically allow same-day changes or standby, while restrictive economy fares may not."}}}}