{
  "response": {
    "Key": "CHI-BWI",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "BWI",
      "type": "airport",
      "city": "Baltimore",
      "fullCity": "Baltimore, Maryland",
      "airport": "Thurgood Marshall Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Baltimore?",
        "answer": "The flight from Chicago to Baltimore is about 610 miles and typically takes 1 hour 50 minutes nonstop. The return leg averages 2 hours 5 minutes, slightly 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 Baltimore?",
        "answer": "Yes, there are plenty of direct flights from Chicago to Baltimore. Southwest, American, United, and Frontier all fly the route nonstop, with Southwest operating the most — up to 147 weekly departures from Midway and another 21 from O'Hare, every day of the week. American (operated by Envoy) and United each run daily service from O'Hare (72 and 58 weekly flights respectively), while Frontier flies less than daily from both airports. Southwest also runs a handful of overnight red‑eyes from Midway on Monday, Thursday, Friday, and Sunday nights.",
        "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. 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",
          "redeye_flights"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Baltimore?",
        "answer": "To get from BWI Airport to downtown Baltimore, the Maryland Transit Administration (MTA) Light Rail is the most-used option, providing a direct, affordable ride with frequent service. Taxis and app-based ride services like Uber and Lyft are available 24/7 curbside and are the fastest door-to-door choice, though they cost more. Rental cars are accessible via a free consolidated shuttle, and the free BWI Marshall Airport Shuttle connects to the MARC Train for broader regional travel. For most travelers heading to the city center, the Light Rail strikes the best balance of speed and value.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://bwiairport.com/to-and-from-bwi/transportation/regional-destinations/washington-dc",
            "title": "Washington, DC | BWI Airport",
            "time_published": "2024-12-30T17:00:30Z"
          },
          {
            "url": "https://bwiairport.com/flying-with-us/flights/air-traffic-map",
            "title": "Air Traffic Map | BWI Airport",
            "time_published": "2026-02-05T14:00:15Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/BWI_Marshall_Airport_Shuttle",
            "title": "BWI Marshall Airport Shuttle",
            "time_published": "2025-05-30T22:29:49Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/BWI%20Marshall%20Airport%20Shuttle",
            "title": "BWI Marshall Airport Shuttle",
            "time_published": "2025-05-30T22:29:49Z"
          },
          {
            "url": "https://bwiairport.com/to-and-from-bwi/transportation/regional-destinations/washington-dulles-international-airport",
            "title": "Washington Dulles International Airport | BWI Airport",
            "favicon": "https://bwiairport.com/wp-content/uploads/2022/04/logo1.png",
            "time_published": "2024-12-30T17:00:44Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Baltimore?",
        "answer": "The cheapest months to fly from Chicago to Baltimore are February, January, and September, with average fares around $218, $220, and $227 respectively. The most expensive months are June, July, and December, averaging about $281, $281, and $274. Overall, late winter and early fall offer the lowest prices, while early and mid-summer along with the December holidays are the priciest times to fly this route.",
        "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 Baltimore?",
        "answer": "For Chicago to Baltimore, booking 4-6 weeks before departure typically yields the best fares, averaging about $156, with the single cheapest price of $153 at 30 days out. Waiting until the last minute drives prices up sharply to $273, while booking too early (over 3 months ahead) costs around $210-230. Summer and holiday periods likely require booking a bit earlier, as demand pushes the optimal window toward 6-8 weeks out.",
        "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 Baltimore?",
        "answer": "Yes, overnight red‑eye flights are available nonstop from Chicago to Baltimore on Southwest, departing from Midway (MDW) six times a week on Monday, Thursday, Friday, and Sunday. The typical departure window is between 9:15 PM and 9:45 PM. With a flight time of roughly two hours, these flights land around 11:15 PM to 11:45 PM the same night — they arrive before midnight, 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 Baltimore?",
        "answer": "Southwest, American, United, and Frontier all operate nonstop flights from Chicago to Baltimore. Southwest is the most frequent, with 147 weekly flights from Midway and 21 from O'Hare. American offers 86 weekly flights from O'Hare (72 operated by Envoy, 14 by American mainline), and United has 67 weekly flights from O'Hare (58 mainline, plus regional service by SkyWest and Republic). Frontier operates a smaller schedule with 14 weekly flights from Midway and 7 from O'Hare.",
        "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 Baltimore?",
        "answer": "Common layover hubs between Chicago and Baltimore include Detroit, Charlotte, and Philadelphia. These offer efficient connections with minimal added travel time, as they are major airline hubs with frequent flights on both legs. Detroit and Charlotte provide broad domestic networks, while Philadelphia serves as a key East Coast gateway, often enabling short layovers."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Chicago to Baltimore?",
        "answer": "On the Chicago to Baltimore route, United has the best on-time arrival rate at about 80%, with a cancellation rate of 0.5%. Southwest from Midway follows at 79% on-time with 1.1% cancellations, while American Eagle (operated by Envoy) is at 77.5% and Frontier from Midway at 75.2%, both with low cancellation rates.",
        "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 Baltimore?",
        "answer": "May and September to October offer pleasant temperatures and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Baltimore?",
        "answer": "Bring a Real ID-compliant driver's license or passport, a credit or debit card for baggage fees, and any required vaccination certificates, though no visa or return proof is needed for this domestic route."
      },
      "q12": {
        "question": "Which airport should I use in Baltimore?",
        "answer": "Baltimore has one commercial airport, Baltimore/Washington International Thurgood Marshall Airport (BWI), located about 10 miles south of downtown. It is a major hub for Southwest Airlines and serves a wide range of domestic and international flights."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "To reach Chicago Midway (MDW) from downtown, the CTA Orange Line 'L' train is the most popular and direct public transit option, offering a fast, economical ride to the airport terminal. Ride-share services like Uber and Lyft pick up at designated areas, while taxis are available at stands and charge a metered fare; both are convenient but pricier than the train. Several shuttle and regional bus services also connect the city and suburbs to Midway. Driving yourself is possible with on-site parking options including a main garage, economy lots, and reserved spaces, though the Orange Line tends to be fastest during peak traffic.",
        "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",
            "time_published": "2026-06-28T03:12:29Z"
          },
          {
            "url": "https://flychicago.com/midway/tofrom/taxi/pages/default.aspx",
            "title": "Taxi, Limo, TNP |  Chicago Midway International Airport  (MDW)",
            "time_published": "2026-05-05T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Midway%20Airport%20%28disambiguation%29",
            "title": "Midway Airport (disambiguation)",
            "time_published": "2025-04-17T19:45:26Z"
          },
          {
            "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://www.faa.gov/AIR_TRAFFIC/FLIGHT_INFO/AERONAV/PROCEDURES/application/index.cfm?event=directory&directory=294316923CED4A93AEE2878AE4982479-MDW-NDBR&type=ndbr&nasrId=MDW",
            "title": "USA Banner",
            "time_published": "2025-06-26T00:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Baltimore airport?",
        "answer": "Baltimore/Washington International Airport (BWI) does not have on-site hotels, capsule hotels, or sleeping pods inside the terminal, though travelers report quiet corners with padded benches airside in Concourses D and E. Several nearby hotels like the Aloft BWI and Fairfield Inn & Suites are connected by free shuttles that run regularly, typically within a 2-mile radius.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/baltimore-airport-guide.htm",
            "title": "Baltimore Airport Guide (BWI) - Sleeping in Airports",
            "time_published": "2018-08-03T09:34:42Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/bwial-aloft-bwi-baltimore-washington-international-airport/overview/",
            "title": "Hotels in Linthicum, MD | Aloft BWI Baltimore Washington International Airport",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Baltimore%2FWashington%20International%20Airport",
            "title": "Baltimore/Washington International Airport",
            "time_published": "2026-04-29T21:39:44Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/bwits-towneplace-suites-baltimore-bwi-airport/overview/",
            "title": "TownePlace Suites Baltimore BWI Airport - Hotel With Free BWI Shuttle",
            "time_published": "2024-10-11T00:00:00Z"
          },
          {
            "url": "https://bwiairport.com/flying-with-us/about-bwi/press-media/november-19-2019-for-peak-holiday-travel-season-bwi-marshall-airport-takes-steps-to-relieve-terminal-roadway-traffic/",
            "title": "For Peak Holiday Travel Season, BWI Marshall Airport Takes Steps to Relieve Terminal Roadway Traffic",
            "time_published": "2024-09-04T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/bwiaf-fairfield-inn-and-suites-baltimore-bwi-airport/overview/",
            "title": "BWI Airport Hotels | Fairfield Inn & Suites Baltimore BWI Airport",
            "time_published": "2024-10-11T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Baltimore?",
        "answer": "The most common aircraft on nonstop flights from Chicago to Baltimore are the Boeing 737 MAX 8, Boeing 737-800, and Embraer 170, with the MAX 8 appearing most frequently. Other types that show up include the Airbus A319, Boeing 737 MAX 9, and Boeing 737-900, though the exact aircraft can vary by day and airline. On connecting itineraries, the Boeing 737-800 and 737 MAX 8 dominate the longer legs, often routing through airports like Boston, Nashville, or Orlando. Wi‑Fi and seatback entertainment are widely available on these aircraft, though specific offerings differ by carrier.",
        "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 Baltimore?",
        "answer": "American Airlines (oneworld) and United Airlines (Star Alliance) both fly nonstop from Chicago to Baltimore, alongside unaligned carriers Southwest and Frontier. No SkyTeam airline operates a nonstop on this route.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "At Chicago Midway International Airport (MDW), the primary lounge option is The Club MDW, an independent lounge located in Concourse B after security. Access is available to Priority Pass members, LoungeKey cardholders, and travelers who purchase a day pass, with entry permitted up to 2.5 hours before departure. The lounge features a full bar with complimentary beer, wine, and spirits, premium food options, and floor-to-ceiling windows with airfield views. No airline-branded lounges such as United Club or American Admirals Club operate at Midway, as the airport is predominantly served by Southwest Airlines which does not offer its own lounges.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "http://prioritypass.com/en-GB/newsroom/opening-of-the-club-at-chicago-midway-international-airport",
            "title": "Opening of The Club at Chicago Midway International Airport | Priority Pass",
            "time_published": "2025-12-24T00:00:00Z"
          },
          {
            "url": "https://www.flychicago.com/midway/ServicesAmenities/services/Pages/technology.aspx",
            "title": "Technology | Chicago Midway International Airport (MDW)",
            "time_published": "2026-05-29T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/lounges/usa/chicago-il-midway-international/mdw-the-club-mdw",
            "title": "The Club MDW MDW AIRPORT Central Market Chicago IL Midway International | Priority Pass",
            "favicon": "https://www.prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2024-11-05T16:20:09Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Baltimore?",
        "answer": "On domestic routes like Chicago to Baltimore, Basic Economy fares often restrict overhead carry‑on and charge for checked bags. Standard economy typically includes a carry‑on and personal item; checked bags usually incur fees unless you hold elite status or a co‑branded credit card."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Baltimore?",
        "answer": "On this domestic route, you'll typically find Economy and sometimes extra‑legroom Economy; flat‑bed Business and Premium Economy are not common."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare class; flexible and premium tickets often allow same‑day changes or standby, while basic economy tickets rarely do."
      }
    }
  }
}