{
  "response": {
    "Key": "CHI-LAS",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "LAS",
      "type": "airport",
      "city": "Las Vegas",
      "fullCity": "Las Vegas, Nevada",
      "airport": "Harry Reid Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Las Vegas?",
        "answer": "The flight from Chicago to Las Vegas is about 1,520 miles and typically takes 3 hours 55 minutes nonstop. The return leg is about 3 hours 35 minutes, about 20 minutes shorter, thanks to prevailing tailwinds.",
        "methodology": "Flight times and distances come 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). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to Las Vegas?",
        "answer": "Yes, there are plenty of nonstop flights from Chicago to Las Vegas. Southwest, United, American, Frontier, and Allegiant all fly the route nonstop — Southwest alone runs over 200 weekly flights from Midway, while United and American together offer more than 200 from O'Hare, all daily. Frontier also serves both Midway and O'Hare with daily or near-daily service, and Allegiant chips in a couple of weekly flights from Rockford on Thursdays and Sundays.",
        "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 Las Vegas?",
        "answer": "Harry Reid International Airport offers taxis, ride share services like Uber and Lyft, rental cars, public buses, airport shuttles, limousines, and the Vegas Loop for ground transportation. Taxis and ride share are the most convenient and commonly used options, with taxis available outside baggage claim and ride share pickup in designated parking garage areas. Rental cars require a free shuttle to the off-site Rent-A-Car Center, while public buses and shuttles provide cheaper but slower alternatives. The Vegas Loop offers a fast, modern connection to the Las Vegas community. Limousines are available as a premium, walk-up luxury option.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://harryreidairport.com/all-options-to-and-from",
            "title": "All options to & from Harry Reid | Harry Reid International Airport",
            "favicon": "https://harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://www.harryreidairport.com/",
            "title": "Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "http://www.harryreidairport.com/map",
            "title": "Airport Maps | Harry Reid International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=LAS&p=1",
            "title": "Harry Reid International Airport"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Las_Vegas",
            "title": "Transportation in Las Vegas",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-03T02:10:08Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Las Vegas?",
        "answer": "Average fares from Chicago to Las Vegas bottom out around $222 in late January. The cheapest months overall are January ($224), February ($240), and September ($244), while the most expensive stretch is late December, averaging $319.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Chicago to Las Vegas?",
        "answer": "For Chicago to Las Vegas, the best fares are typically found when booking 4-7 weeks before departure, with an average price around $170 during that window. The single cheapest day to book is about 35 days out ($169), while last-minute tickets (0 days ahead) run roughly $317. For summer and holiday periods, demand spikes push prices higher and shrink the optimal window, so you should book further in advance — often 8-12 weeks out — to lock in lower fares.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to Las Vegas?",
        "answer": "Yes, overnight red-eye flights are available from Chicago to Las Vegas. Southwest operates up to 11 weekly red-eyes from Midway (MDW) departing between 9:00 PM and 10:45 PM, arriving in Las Vegas between roughly 11:30 PM and 1:15 AM — the later departures land in the early hours after midnight. Frontier runs a red-eye from O'Hare (ORD) at 9:56 PM on Mondays, Fridays, and Sundays, arriving around 11:45 PM the same night, and Allegiant flies from Rockford (RFD) at 9:36 PM on Thursdays and Sundays, landing around 11:00 PM the same night.",
        "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 Las Vegas?",
        "answer": "Southwest, United, American, Frontier, and Allegiant all fly nonstop from Chicago to Las Vegas. Southwest operates the most flights, with 222 weekly departures from Midway and 28 from O'Hare, and a typical fare around $—. United runs 139 weekly flights from O'Hare, American 99, Frontier 14 from O'Hare and 10 from Midway, and Allegiant 7 from Rockford.",
        "methodology": "Airlines and weekly frequencies come 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 typical fare is shown for a carrier, it is the median of 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 Las Vegas?",
        "answer": "Common layover cities for flights from Chicago to Las Vegas include Denver, Phoenix, Dallas, and Salt Lake City. These hubs offer short connection times, frequent onward flights, and efficient domestic terminals, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to Las Vegas?",
        "answer": "On the Chicago–Las Vegas route, United (ORD) leads with 83% on-time departures and a 0.4% cancellation rate, while Frontier (ORD) trails at 58% on-time departures and a 3.2% cancellation rate. Southwest from Midway posts 75% on-time departures with a 0.4% cancellation rate, and American (ORD) shows 69% on-time departures with a 1.2% cancellation rate.",
        "methodology": "On-time arrival 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; a flight counts as on time when it arrives within 15 minutes of schedule. Carriers are ranked by arrival on-time rate on this route, and the carrier list itself comes 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).",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Las Vegas?",
        "answer": "March to May and October to November 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 Las Vegas?",
        "answer": "For this domestic flight, bring a Real ID-compliant license or passport that matches your ticket, a payment method for baggage, and any vaccination proofs if required by your airline."
      },
      "q12": {
        "question": "Which airport should I use in Las Vegas?",
        "answer": "Las Vegas has one commercial airport: Harry Reid International. It sits just south of the Strip and downtown, serving all airlines and passenger types."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "To reach Chicago Midway International Airport from downtown Chicago, the CTA Orange Line 'L' train is the fastest and most popular option, running from the Loop to the airport terminal in roughly 25 minutes and costing far less than other choices. Taxis average $35–40 from downtown, ride-share services pick up on the lower level outside baggage claim, and regional shuttle buses serve the airport from various suburbs and nearby states. Driving is also possible with a terminal parking garage offering hourly and daily rates, plus cheaper economy lots for longer stays.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flychicago.com/midway/tofrom/pages/default.aspx",
            "title": "Getting To and From | Chicago Midway International Airport (MDW)",
            "favicon": "https://www.flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://flychicago.com/midway/tofrom/taxi/pages/default.aspx",
            "title": "Taxi, Limo, TNP |  Chicago Midway International Airport  (MDW)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://www.flychicago.com/midway/tofrom/shuttles/pages/default.aspx",
            "title": "Shuttles / Buses | Chicago Midway International Airport (MDW)",
            "favicon": "https://www.flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://www.flychicago.com/midway/home/pages/default.aspx",
            "title": "Chicago Midway International Airport (MDW) | Official Website",
            "favicon": "https://www.flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Midway_International_Airport",
            "title": "Midway International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-02T21:21:22Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Las Vegas airport?",
        "answer": "Las Vegas airport has no on-site or terminal-connected hotel. There are no sleeping facilities inside the airport, and nearby hotels require a shuttle or short ride from the terminals.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/las-vegas-airport-guide.htm",
            "title": "Las Vegas Airport Guide (LAS) - 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": "2018-08-06T07:05:15Z"
          },
          {
            "url": "https://www.harryreidairport.com/",
            "title": "Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "http://www.sleepinginairports.net/usa/lasvegas.htm",
            "title": "Las Vegas Airport Guide (LAS) - Sleeping in Airports",
            "time_published": "2026-05-15T16:10:23Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Harry Reid Intl Airport?",
        "answer": "Harry Reid International Airport offers free Wi-Fi throughout the terminals, and currency exchange services are available at several locations in Terminal 1 and Terminal 3.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.harryreidairport.com/",
            "title": "Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://www.harryreidairport.com/airport-services",
            "title": "Airport Services | Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://harryreidairport.com/dine-shop-and-more",
            "title": "Shop, Dine & More | Harry Reid International Airport",
            "favicon": "https://harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "http://www.harryreidairport.com/map",
            "title": "Airport Maps | Harry Reid International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://harryreidairport.com/contact",
            "title": "Contact | Harry Reid International Airport",
            "favicon": "https://harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Las Vegas airports?",
        "answer": "Harry Reid International Airport (LAS) offers extensive accessibility support, including free wheelchair services arranged in advance through your airline or on-demand at 702-261-PUSH (7874), a Hidden Disabilities Sunflower Program, Aira visual assistance, MagnusCards for autism support, family care restrooms, and visual paging. The Chicago metro area code CHI resolved to DuPage Airport (DPA), a general aviation facility in West Chicago that does not provide commercial passenger services, so no mobility assistance, disability programs, or children's play areas are available there for commercial travelers. For your flight from Chicago to Las Vegas you would actually depart from O'Hare (ORD) or Midway (MDW), which do offer standard accessibility services, but details for those airports were not returned in this lookup.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/York_Township,_DuPage_County,_Illinois",
            "title": "York Township, DuPage County, Illinois",
            "time_published": "2026-03-30T14:23:39Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_County,_Illinois",
            "title": "DuPage County, Illinois",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-01T17:35:34Z"
          },
          {
            "url": "https://www.harryreidairport.com/special-assistance",
            "title": "Special Assistance | Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://www.harryreidairport.com/",
            "title": "Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://harryreidairport.com/contact",
            "title": "Contact | Harry Reid International Airport",
            "favicon": "https://harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://www.harryreidairport.com/airport-services",
            "title": "Airport Services | Harry Reid International Airport",
            "favicon": "https://www.harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          },
          {
            "url": "https://harryreidairport.com/dine-shop-and-more",
            "title": "Shop, Dine & More | Harry Reid International Airport",
            "favicon": "https://harryreidairport.com/favicon.ico?863b6b9bd52ec388"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Las Vegas?",
        "answer": "Southwest Airlines operates the most flights from Chicago to Las Vegas, using Boeing 737 family aircraft including the 737-700 and 737 MAX 8 from Midway, and Boeing 737 family jets from O'Hare. United Airlines flies Airbus A321neo, Boeing 737 family, and Boeing 737-900 aircraft, while American Airlines uses Boeing 737-800, Boeing 737 family, Airbus A320 family, and Airbus A321. Frontier Airlines operates Airbus A320neo and A320 family aircraft, and Allegiant Air uses Airbus A319 and A320 family planes from Rockford.",
        "methodology": "Aircraft types come 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Chicago to Las Vegas?",
        "answer": "United (Star Alliance) and American (oneworld) serve Chicago–Las Vegas nonstop, while Southwest, Frontier, and Allegiant also fly the route but belong to no global 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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "When departing from Chicago Midway International Airport, the best lounge option is The Club MDW, located in Concourse B just past security, opposite the food court. It offers premium food, spirits and liquor, beer and wine, Wi-Fi, and flight monitors in a non-smoking setting. Access is permitted up to 2.5 hours before departure, children under 2 are admitted free with an adult, and alcoholic beverages are limited to passengers 21 and older. A quiet area is also available.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/MDW/The-Club-MDW-Concourse-B-S6nYE3TWPd/?inav=en_us_menu_travel_travel_services_airport_lounge_access_by_card",
            "title": "The Club MDW at Chicago Midway International Airport | Amex US",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/MDW",
            "title": "American Express Lounges at Chicago Midway International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/MDW/the-club-mdw-concourse-b-S6nYE3TWPd",
            "title": "The Club MDW at Chicago Midway International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/midway-international",
            "title": "Chicago Midway International Airport MDW Lounges - MDW Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2026-06-30T08:24:25Z"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/midway-international/mdw-the-club-mdw",
            "title": "The Club MDW MDW AIRPORT Central Market Chicago IL Midway International | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?icon.1k7202wk2zqql.png?dpl=1f82db4e-b1f8-481b-b911-c24ef915cc46"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Las Vegas?",
        "answer": "This is a domestic U.S. route, so baggage rules are set by each airline. Basic economy typically charges for checked bags, while standard economy may still require a fee; carry‑on is usually included except on ultra‑low‑cost carriers. Check your airline’s policy when booking."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Las Vegas?",
        "answer": "Most flights from Chicago to Las Vegas offer Economy and standard recliner First or Business class; flat-bed seats are rare and Premium Economy is generally not available."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible tickets and premium cabins often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}