{
  "response": {
    "Key": "CHI-FCO",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "FCO",
      "type": "airport",
      "city": "Rome",
      "fullCity": "Rome, Italy",
      "airport": "Leonardo da Vinci Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Rome?",
        "answer": "The flight from Chicago to Rome is about 4,810 miles. Nonstop flights typically take 9 hours and 15 minutes outbound, with the return leg lasting 10 hours and 30 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 Rome?",
        "answer": "Yes, there are daily non‑stop flights from Chicago (ORD) to Rome (FCO) on three airlines: United, American, and ITA Airways. United and American each operate about four flights a day, while ITA Airways runs one daily departure; all three fly every day of the week. The flight takes roughly 9 hours eastbound and about 10½ hours 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 Rome?",
        "answer": "From Rome Fiumicino Airport, the fastest way to the city center is the Leonardo Express train, which reaches Roma Termini in about 32 minutes. Regional trains also serve stations like Trastevere and Tiburtina, while buses from multiple companies offer a cheaper alternative to Termini and other districts. Taxis have a fixed fare of €55 to the city center and are available at both terminals, and car rentals are on-site. Most travelers use the train for its speed and frequency.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-to-and-from",
            "title": "Fiumicino Airport Transport: How to Get to and from FCO | ADR",
            "favicon": "https://www.adr.it/o/adr-new-theme/images/favicon.ico"
          },
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-bus",
            "title": "Fiumicino Airport buses: routes, stops and timetables | ADR",
            "favicon": "https://www.adr.it/o/adr-dxp-theme/images/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Fiumicino%20Aeroporto%20railway%20station",
            "title": "Fiumicino Aeroporto railway station",
            "time_published": "2025-11-27T16:48:57Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Fiumicino_Aeroporto_railway_station",
            "title": "Fiumicino Aeroporto railway station",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2025-11-27T16:48:57Z"
          },
          {
            "url": "http://adr.it/web/aeroporti-di-roma-en-/pax-fco-taxi",
            "title": "Taxi - ADR",
            "time_published": "2023-06-01T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Rome?",
        "answer": "The cheapest time to fly from Chicago to Rome is September, when average fares drop to about $424, with October and January also offering lower prices around $433–$439. The most expensive months are December, averaging $522, followed by June and July around $500.",
        "methodology": "This seasonal price baseline is a 365-day daily curve of typical round-trip fares for the route, precomputed monthly in-house from Priceline's own air booking-summary archive (the same data that backs the site), not a third party. For each calendar day we take a representative round-trip fare — a blend of the 25th-percentile and average ticket price over the route's bookings — and Gaussian-smooth the series so it reads as a clean seasonal trend rather than day-to-day noise. Thin and international routes are neighbor-filled: the seasonal shape is borrowed from the nearest dense routes (by origin-and-destination great-circle distance) with the price level anchored to the route's own bookings, so a sparse route still shows a plausible curve. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Chicago to Rome?",
        "answer": "For Chicago to Rome, the best time to book is roughly 4 to 7 weeks before departure, when fares average around $390 and bottom out at about $388 around 35 days out. Booking much further ahead (150+ days) tends to cost noticeably more, often over $550, so waiting until the 4-7 week window is generally your best bet.",
        "methodology": "This booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. It expresses the typical round-trip fare as a function of how many days before departure a trip is booked — from about 180 days out down to the day of departure — aggregating the route's bookings by advance-purchase days and Gaussian-smoothing the curve the same way as the seasonal baseline. From that curve we highlight the stretch of lead times with the lowest average fare as the suggested booking window. Thin and international routes are neighbor-filled from the nearest dense routes, with the price level anchored to the route's own bookings. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to Rome?",
        "answer": "There are no nonstop red‑eye flights from Chicago to Rome, but several one‑stop itineraries include an overnight long‑haul leg. From Chicago O'Hare itself, you can take an overnight leg on Iberia (departs 4:55 PM, arrives Madrid 8:20 AM), Swiss (7:05 PM, arrives Zurich 10:50 AM), Air France (5:10 PM, arrives Paris 8:15 AM), British Airways (7:05 PM or 9:15 PM, arrives London 9:05 AM or 11:15 AM), Icelandair (10:25 PM, arrives Keflavik 9:30 AM), Lufthansa (4:05 PM, arrives Frankfurt 7:25 AM), Aer Lingus (9:00 PM, arrives Dublin 10:35 AM), or KLM (4:20 PM, arrives Amsterdam 7:05 AM), each connecting onward to Rome. The latest Chicago‑originating departure is the Icelandair flight at 10:25 PM, and all of these red‑eye legs land in the morning at their connecting hubs.",
        "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 Rome?",
        "answer": "United, American, and ITA Airways all fly nonstop from Chicago to Rome, each operating daily service from O'Hare. United offers 28 weekly flights, American also has 28 weekly flights, and ITA Airways operates 7 weekly flights. While per-carrier median fares aren't available for this route, these three carriers provide the main nonstop options.",
        "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 Rome?",
        "answer": "Common layover cities include Dublin, London, Paris, and Amsterdam. Dublin offers US pre‑clearance on return and efficient transfers, London provides broad connections from multiple airports, Paris has a single large hub with many onward flights, and Amsterdam is known for a compact, easy‑to‑navigate airport with short connection times."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Rome?",
        "answer": "April to June and September to October offer pleasant temperatures and fewer tourists than the busy summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Rome?",
        "answer": "Bring a passport valid for at least three months beyond your planned stay in the Schengen Area, proof of onward or return travel, a payment method for baggage, and any required visa or ETIAS authorization if applicable. Also carry any vaccination certificates as required."
      },
      "q12": {
        "question": "Which airport should I use in Rome?",
        "answer": "Rome has only one airport, Fiumicino, which serves all scheduled commercial flights."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "To reach Chicago O'Hare from downtown, the CTA Blue Line 'L' train offers the fastest and most popular option, running directly into the airport with frequent service. Taxis and rideshares provide door-to-door convenience at a higher cost, while shared shuttle vans and regional buses serve the city and suburbs. Driving gives flexibility with on-site parking including a main garage for short stays and economy lots for longer trips, though traffic can add time.",
        "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 Rome airport?",
        "answer": "Rome Fiumicino Airport does not have on-site hotels, capsule hotels, or sleeping pods, but there is a nearby Hilton Garden Inn connected by a covered walkway from the terminals. Additionally, a few other hotels like the HelloSky Air Rooms & Lounge are a short shuttle ride away.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/rome-fiumicino-airport-guide.htm",
            "title": "Rome Fiumicino Airport Guide (FCO) - 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": "2018-10-02T00:00:42Z"
          },
          {
            "url": "https://activities.marriott.com/europe/italy/lazio/rome/activities/fiumicino_airport_rome_fco_to_rome_round_trip_private_transfer-XJLMUV?property=ROMWI",
            "title": "Fiumicino Airport Rome (FCO) to Rome - Round-Trip Private Transfer",
            "time_published": "2026-04-04T00:00:00Z"
          },
          {
            "url": "https://www.sleepinginairports.net/reviews/rome-fiumicino-airport-reviews.htm",
            "title": "Rome Fiumicino Airport Reviews (FCO)",
            "time_published": "2024-10-21T00:00:00Z"
          },
          {
            "url": "https://activities.marriott.com/europe/italy/lazio/rome/activities/private_transfer_from_rome_to_fco_airport-X1SGSF?property=ROMWI",
            "title": "Private Transfer : From Rome to FCO airport",
            "time_published": "2026-04-05T00:00:00Z"
          },
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-to-and-from",
            "title": "Fiumicino Airport Transport: How to Get to and from FCO | ADR",
            "favicon": "https://www.adr.it/o/adr-new-theme/images/favicon.ico"
          },
          {
            "url": "https://www.sleepinginairports.net/lounges/rome-fiumicino-airport-lounges.htm",
            "title": "Rome Fiumicino Airport Lounges (FCO)",
            "time_published": "2024-01-01T00:00:00Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Leonardo da Vinci Airport?",
        "answer": "Rome Fiumicino Airport offers currency exchange offices, prayer rooms, and free Wi‑Fi. Currency exchange services are available inside all terminals. A Christian Catholic Chapel is located in the Terminal 1 departure hall, and multi‑faith prayer rooms can be found in the Terminal 1 arrival hall (near door 6) and in the extra‑Schengen boarding area near gate E18. Free Wi‑Fi is provided throughout the airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-airport-map",
            "title": "Fiumicino Airport Map: terminals, gates and airport layout | ADR",
            "favicon": "https://www.adr.it/o/adr-dxp-theme/images/favicon.ico"
          },
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-airport-services/",
            "title": "Airport services - ADR",
            "time_published": "2023-06-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Fiumicino_Airport",
            "title": "Rome Fiumicino Airport - Wikipedia",
            "time_published": "2003-06-18T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Fiumicino%20Aeroporto%20railway%20station",
            "title": "Fiumicino Aeroporto railway station",
            "time_published": "2025-11-27T16:48:57Z"
          },
          {
            "url": "https://www.adr.it/web/aeroporti-di-roma-en/servizi",
            "title": "Facilities and services at Airport of Rome Fiumicino",
            "time_published": "2023-06-01T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Rome?",
        "answer": "The most common aircraft on nonstop flights from Chicago to Rome are the Boeing 787-9 (flown by American), the Boeing 787-10 (flown by United), and the Airbus A330 (flown by ITA Airways). Connecting itineraries add many other widebody types, with the Airbus A330-300 and Boeing 777-300ER appearing most often via hubs like Madrid, Montreal, Zurich, and New York. The exact aircraft can vary by day and airline, but nearly all of these jets offer Wi‑Fi and seatback entertainment on the transatlantic leg.",
        "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 Rome?",
        "answer": "United Airlines (Star Alliance), American Airlines (oneworld), and ITA Airways (SkyTeam) all fly nonstop from Chicago O'Hare to Rome Fiumicino, so all three global alliances are represented on this route — no unaligned carrier operates it.",
        "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, several airline-branded lounges are available. United operates multiple United Clubs in Terminals 1 and 2, plus a Polaris Lounge in Terminal 1 for international business class passengers. American Airlines has Admirals Clubs in Terminal 3 and a Flagship Lounge for premium international travelers. Delta's Sky Club is located in Terminal 5 near Gate M13. In Terminal 5, the Air France Lounge and the LOT Business Lounge serve eligible business class and elite status passengers, while the Swissport Lounge and Wingtips Lounge accept Priority Pass and other programs. Day passes are available at most clubs, and amenities typically include complimentary drinks, Wi-Fi, and workspaces.",
        "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 Rome?",
        "answer": "Baggage rules vary by airline and fare class. Basic economy often excludes checked luggage, while standard economy typically includes one checked bag and a carry-on. Premium cabins provide higher allowances, usually two checked bags."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Rome?",
        "answer": "On flights from Chicago to Rome you will typically find Economy, Premium Economy, and lie‑flat Business class, with First class occasionally offered by select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}