{
  "response": {
    "Key": "CHI-SAC",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "SAC",
      "type": "airport",
      "city": "Sacramento",
      "fullCity": "Sacramento, California",
      "airport": "Sacramento Executive Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Sacramento?",
        "answer": "The flight from Chicago to Sacramento is about 1,790 miles and typically takes 4 hours 25 minutes nonstop. On the return, the flight is shorter at 3 hours 55 minutes, with the westbound leg taking longer 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 Sacramento?",
        "answer": "There are nonstop flights from Chicago to Sacramento, with Southwest, United, and American all operating daily service — together they offer about 124 weekly flights. Southwest flies from Midway up to 13 times a day, while United and American operate from O'Hare with roughly six and three daily departures, respectively. Southwest also runs some overnight red‑eyes from Midway, and the flight west takes about four and a half hours.",
        "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. 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. 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": [
          "route_airlines",
          "flight_schedule",
          "route_aircraft",
          "redeye_flights"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Sacramento?",
        "answer": "Sacramento International Airport (SMF) offers a range of ground transportation into the city center, including taxis (SITOA), app-based ride shares like Uber and Lyft, public transit via SacRT/Yolobus, and rental cars from major agencies. Ride share is the most-used option for its convenience and cost, with designated pickup zones at the terminal. Public buses provide the most economical choice, though they are slower. Taxis offer a fixed-rate, metered alternative, while rental cars give the most flexibility for exploring beyond downtown. The fastest option is typically a ride share or taxi, taking about 15-20 minutes to cover the 10.5 miles to downtown.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flysmf.gov/about/maps-ground-transportation",
            "title": "Maps (Ground Transportation)",
            "favicon": "https://flysmf.gov/img/asset/cHVibGljL2d1aWRlbGluZXMvbG9nb3Mvc2Nhcy1mYXZpY29uLnBuZw/scas-favicon.png?fm=png&w=167&s=cd8263256e5a0efa3b4753f5405c140b"
          },
          {
            "url": "https://flysmf.gov/about/history",
            "title": "History",
            "time_published": "2001-09-11T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Sacramento%20International%20Airport",
            "title": "Sacramento International Airport",
            "time_published": "2026-04-27T16:50:56Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/SMF_Automated_People_Mover",
            "title": "SMF Automated People Mover",
            "time_published": "2026-05-31T08:09:52Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Sacramento_Executive_Airport",
            "title": "Sacramento Executive Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-07T22:03:22Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Sacramento?",
        "answer": "The cheapest months to fly from Chicago to Sacramento are October (around $371), February (around $372), and January (around $375), while the most expensive are December (around $455), July (around $450), and June (around $439).",
        "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 Sacramento?",
        "answer": "For Chicago to Sacramento, the optimal booking window is roughly 4-6 weeks before departure, with an average fare around $321 and the single cheapest day about 35 days out at $318. Booking earlier than that doesn't help — prices climb back up to $471 at 155 days out — and waiting too late pushes fares above $400. For summer or holiday periods, you'll want to book on the earlier end of that window or slightly sooner, since those dates sell out faster and rarely see last-minute drops.",
        "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 Sacramento?",
        "answer": "Yes, overnight red‑eye flights are available from Chicago to Sacramento. Southwest operates nonstop red‑eyes from Chicago Midway (MDW) to Sacramento (SMF) daily, with departures typically between 9:20 PM and 10:10 PM. These flights land around 11:30 PM to 12:30 AM — arriving the same night, not 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 Sacramento?",
        "answer": "Southwest flies nonstop from Chicago Midway to Sacramento, with 62 weekly flights. United and American both operate nonstop from Chicago O'Hare to Sacramento; United runs 41 flights a week and American 21. The schedule data does not include median fares for these carriers.",
        "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 Sacramento?",
        "answer": "Common layovers between Chicago and Sacramento include Denver, Salt Lake City, Las Vegas, and Phoenix. These hubs offer frequent flights, efficient connections, and minimal detours, keeping total travel time competitive. All are domestic U.S. airports, so visa‑free transit is not applicable."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Chicago to Sacramento?",
        "answer": "On the Chicago to Sacramento route, American Airlines has the best on-time arrival record at 76.9%, with a 0.5% cancellation rate. Southwest follows at 76.5% on-time arrivals (0.4% cancellations), and United at 74.1% on-time arrivals but no cancellations.",
        "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"
        ]
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Sacramento?",
        "answer": "April through June and late September through October offer warm, dry days and smaller crowds than the hot summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Sacramento?",
        "answer": "Since this is a domestic flight, bring a Real ID-compliant driver's license or passport for identification, and have a payment method ready for any checked baggage fees. No visa, vaccination certificate, or proof of onward travel is required."
      },
      "q12": {
        "question": "Which airport should I use in Sacramento?",
        "answer": "Sacramento International Airport is the primary airport, located about 10 miles northwest of downtown. It serves all major domestic airlines and is the only commercial airport in the city."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "Chicago DuPage Airport (DPA) is a general aviation airport in West Chicago, about 29 miles west of downtown. There is no direct public transit from the city center; the fastest and most popular option is a ride‑share or taxi, which takes roughly 45–60 minutes and costs more than driving yourself. Driving and parking on‑site is straightforward and the least expensive choice, while a pre‑arranged shuttle or limo service offers a middle ground in cost and convenience.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "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/DuPage%20Airport",
            "title": "DuPage Airport",
            "time_published": "2026-03-13T22:38:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago",
            "title": "Transportation in Chicago",
            "time_published": "2026-04-13T06:59:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Chicago%20Executive%20Airport",
            "title": "Chicago Executive Airport",
            "time_published": "2026-03-26T11:15:20Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Sacramento airport?",
        "answer": "Sacramento International Airport (SMF) does not have on-site hotels, capsule hotels, or sleeping pods. Nearby hotels like the Hyatt Place Sacramento Airport, Hampton Inn & Suites Sacramento-Airport-Natomas, and Four Points by Sheraton Sacramento International Airport offer free shuttle service and are located just a few minutes away. Travelers can also find comfortable seating and a quiet room inside the terminals for resting between flights.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/sacramento-airport-guide.htm",
            "title": "Sacramento Airport Guide (SMF) - 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": "2018-08-06T08:33:14Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Sacramento%20International%20Airport",
            "title": "Sacramento International Airport",
            "time_published": "2026-04-27T16:50:56Z"
          },
          {
            "url": "https://sleepinginairports.net/reviews/sacramento-airport-reviews.htm",
            "title": "Sacramento   Airport Reviews (SMF) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png"
          },
          {
            "url": "https://flysmf.gov/about/history",
            "title": "History",
            "time_published": "2001-09-11T00:00:00Z"
          },
          {
            "url": "https://flysmf.gov/",
            "title": "Sacramento International Airport (SMF)",
            "favicon": "https://flysmf.gov/img/asset/cHVibGljL2d1aWRlbGluZXMvbG9nb3Mvc2Nhcy1mYXZpY29uLnBuZw/scas-favicon.png?fm=png&w=167&s=cd8263256e5a0efa3b4753f5405c140b"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Sacramento_Executive_Airport",
            "title": "Sacramento Executive Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-07T22:03:22Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Sacramento?",
        "answer": "Nonstop flights from Chicago to Sacramento are typically operated with Boeing 737-family aircraft — the 737 MAX 8, 737-800, 737-900, and 737 MAX 9 are the most common types, flown by Southwest, American, and United. On connecting itineraries, the same 737 variants dominate the longer leg, often paired with a 737 or an Embraer 175 on the shorter hop through hubs like Denver, Las Vegas, or Phoenix. The exact aircraft on any given flight can vary by day and by airline, but travelers can generally expect a single-aisle 737 with Wi-Fi and seatback entertainment widely available.",
        "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 Sacramento?",
        "answer": "Star Alliance (via United) and oneworld (via American) serve nonstop flights from Chicago to Sacramento, while Southwest — which operates the most frequencies from Midway — belongs to no alliance.",
        "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. 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_airlines",
          "flight_schedule",
          "route_aircraft"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "Chicago DuPage Airport is a general aviation facility with no airline lounges — it primarily serves private and corporate aircraft. If your departure is instead from Chicago O'Hare, you'll find a Swissport Lounge in Terminal 5 (Concourse M, near gate M13) accessible to Priority Pass, LoungeKey, and some premium card holders, with complimentary Wi‑Fi, spirits, and TV monitors. Note that CHI is a metro code, so confirm which airport your flight uses.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/CAN/Premium-Lounge-Terminal-1-International-iUec4avgfK/?inav=en_us_menu_travel_travel_services_airport_lounge_access_by_card",
            "title": "Premium Lounge at Guangzhou Baiyun International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/ORD/Swissport-Lounge-Terminal-5-Concourse-M-5mTKilCqDl/",
            "title": "Swissport Lounge at O'Hare International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage%20Airport",
            "title": "DuPage Airport",
            "time_published": "2026-03-13T22:38:40Z"
          },
          {
            "url": "http://delta.com/content/www/en_US/traveling-with-us/airports-and-aircraft/airports/airport-services/hawaii-idaho-illinois-indiana-iowa.html",
            "title": "Airport Services in Hawaii, Idaho, Illinois, Indiana and Iowa | Delta Air Lines",
            "time_published": "2023-01-01T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Sacramento?",
        "answer": "Baggage allowance depends on the airline and fare type. Basic Economy tickets usually do not include a checked bag but allow a personal item and sometimes a carry-on. Standard Economy fares on this domestic route typically include a carry-on and may require a fee for checked bags."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Sacramento?",
        "answer": "On flights from Chicago to Sacramento, you'll typically find Economy and First class with recliner seats; flat-bed Business and Premium Economy are not common on this domestic 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 often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}