{
  "response": {
    "Key": "ATL-STL",
    "orig": {
      "code": "ATL",
      "type": "airport",
      "city": "Atlanta",
      "fullCity": "Atlanta, Georgia",
      "airport": "Hartsfield Jackson Intl Airport"
    },
    "dest": {
      "code": "STL",
      "type": "airport",
      "city": "St. Louis",
      "fullCity": "St. Louis, Missouri",
      "airport": "Lambert Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Atlanta to St. Louis?",
        "answer": "A nonstop flight from Atlanta (ATL) to St. Louis (STL) typically takes about 1 hour and 45 minutes. With a layover, total travel time often ranges from 3 to 5 hours depending on the connection point. The return flight duration is generally similar."
      },
      "q1": {
        "question": "Are there any direct flights from Atlanta to St. Louis?",
        "answer": "Yes, Delta, Southwest, and Frontier all fly nonstop from Atlanta to St. Louis. Delta and Southwest operate daily with roughly 20–22 and 24 departures per day respectively, while Frontier flies five days a week (Monday, Thursday, Friday, Saturday, and Sunday) with about three daily flights. Typical fares run around $188 on Delta, $150 on Southwest, and $76 on Frontier.",
        "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 and weekly frequencies are summarized 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). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares 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 St. Louis?",
        "answer": "From St. Louis Lambert International Airport (STL), MetroLink light rail is the most-used option for reaching downtown, offering an economical and efficient direct ride. Taxis and ride-share services are also readily available for door-to-door convenience. Several car rental agencies operate on-site for those who prefer to drive. The journey to the city center takes about 30 minutes via MetroLink or by car.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://airport.guide/kstl",
            "title": "St Louis Airport (STL) | Terminal maps | Airport guide",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.airport.guide/kstl",
            "title": "St Louis Airport (STL) | Terminal maps | Airport guide",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/St._Louis_Lambert_International_Airport",
            "title": "St. Louis Lambert International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-15T19:57:22Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/St.%20Louis%20Airport",
            "title": "St. Louis Airport",
            "time_published": "2022-05-18T03:16:52Z"
          },
          {
            "url": "https://www.airport.guide/kstl/parking",
            "title": "St Louis Airport (STL) Parking Rates and Map",
            "time_published": "2026-04-20T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Atlanta to St. Louis?",
        "answer": "The cheapest time to fly from Atlanta to St. Louis is late summer, with August offering the lowest average fare at $139 and July at $169. Early spring is the most expensive, with March averaging $339, followed by May and April around $270.",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Atlanta to St. Louis?",
        "answer": "For the best fare from Atlanta to St. Louis, book 4–6 weeks ahead, when prices average around $185. Booking exactly 30 days out can dip as low as $159, but waiting until the last week or booking more than 4 months early can push prices over $300. During peak summer and holiday periods, demand is higher, so aim for the early side of that window — roughly 6 weeks out — to avoid steeper last-minute markups.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Atlanta to St. Louis?",
        "answer": "Yes, overnight red-eye flights are available from Atlanta to St. Louis. Delta operates daily red-eyes departing around 9:25 PM, 10:55 PM, and 11:11 PM, while Southwest runs late flights on Monday, Thursday, Friday, and Sunday departing around 9:05 PM. These are short hops, so they land the same night — typically just before or around midnight — rather than arriving 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 Atlanta to St. Louis?",
        "answer": "Delta, Southwest, and Frontier operate nonstop from Atlanta to St. Louis. Delta offers the most frequent service, with 137 weekly flights, followed by Southwest at 96 weekly flights. Frontier flies the route less often, with 8 weekly departures on select days. Specific median fares are not available for 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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Atlanta and St. Louis?",
        "answer": "Common layover cities for this domestic route include Charlotte, Nashville, and Chicago O'Hare. These hubs offer frequent connections and efficient transfer times, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Atlanta to St. Louis?",
        "answer": "On-time performance is generally strong, though afternoon thunderstorms can cause delays. Early flights, particularly on Delta, tend to be more reliable."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to St. Louis?",
        "answer": "April to June 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 Atlanta to St. Louis?",
        "answer": "For domestic U.S. flights, bring a Real ID or passport, ensure the name matches your ticket and carry payment for baggage and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in St. Louis?",
        "answer": "St. Louis Lambert International Airport is the primary commercial airport, located about 14 miles northwest of downtown. It serves all major domestic airlines and is the only practical choice for commercial flights."
      },
      "q13": {
        "question": "How do I get to Hartsfield Jackson Intl Airport from the city center?",
        "answer": "The most popular and cost‑effective way to reach Hartsfield‑Jackson from downtown is MARTA’s Red or Gold rail line, which takes about 20 minutes directly to the domestic terminal. Ride‑share services like Uber and Lyft offer door‑to‑door convenience for a higher fare, while taxis and shared‑ride shuttles are also available at moderate cost. Driving yourself is an option with on‑site parking, though daily rates can add up for longer trips.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://atl.com/ground-transportation",
            "title": "Ground Transportation - The official website of Hartsfield-Jackson Atlanta International Airport",
            "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg",
            "time_published": "2025-08-22T21:08:34Z"
          },
          {
            "url": "https://www.atl.com/maps-3/",
            "title": "Terminal Maps - The official website of Hartsfield-Jackson Atlanta International Airport",
            "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg",
            "time_published": "2022-01-25T20:26:21Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Airport%20station%20%28MARTA%29",
            "title": "Airport station (MARTA)",
            "time_published": "2026-03-29T17:37:22Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Airport_station_(MARTA)",
            "title": "Airport station (MARTA)",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-06-05T09:05:51Z"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=ATL&p=1",
            "title": "Hartsfield-Jackson Atlanta International Airport"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at St. Louis airport?",
        "answer": "St. Louis Lambert International Airport (STL) does not have on-site hotels, capsule hotels, or sleeping pods inside the terminals. However, several nearby hotels like the Renaissance St. Louis Airport Hotel offer complimentary shuttle service to and from the airport. Passengers can also find armrest-free seating in Terminal 2 and Concourse C for resting, though the airport can be cold and bright, so a blanket and eyeshade are recommended.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/st-louis-lambert-airport-guide.htm",
            "title": "St. Louis Lambert Airport Guide (STL) - 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": "2026-05-30T00:57:38Z"
          },
          {
            "url": "https://sleepinginairports.net/lounge/st-louis-airport/admirals-club-stl.htm",
            "title": "St. Louis Lambert Airport Guide (STL) - Sleeping in Airports",
            "time_published": "2026-04-13T20:29:58Z"
          },
          {
            "url": "https://airport.guide/kstl",
            "title": "St Louis Airport (STL) | Terminal maps | Airport guide",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/stlsa-renaissance-st-louis-airport-hotel/overview/?gclid=8030245d09671d030bbc421df72c6641&gclsrc=3p.ds&cid=PAI_GLB0004YXE_GLE000BIMM_GLF000OETR",
            "title": "Hotels near St. Louis Airport | Renaissance St. Louis Airport Hotel",
            "time_published": "2024-10-11T00:00:00Z"
          },
          {
            "url": "http://activities.marriott.com/north-america/usa/missouri/st.-louis/activities/arrival_transfer_st_louis_airport_stl_to_st_louis_by_car_or_suv-X1B5YX",
            "title": "Arrival transfer St. Louis Airport STL to St. Louis by Car or SUV",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://www.airport.guide/kstl/parking",
            "title": "St Louis Airport (STL) Parking Rates and Map",
            "time_published": "2026-04-20T00:00:00Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Lambert Intl Airport?",
        "answer": "Lambert St. Louis International Airport (STL) provides free Wi-Fi throughout both Terminal 1 and Terminal 2. The available information does not specifically mention currency exchange offices or prayer rooms/chapels, so I cannot confirm those amenities.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://airport.guide/kstl",
            "title": "St Louis Airport (STL) | Terminal maps | Airport guide",
            "favicon": "https://airport.guide/apple-touch-icon.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/St._Louis_Lambert_International_Airport",
            "title": "St. Louis Lambert International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-15T19:57:22Z"
          },
          {
            "url": "https://www.airport.guide/kstl",
            "title": "St Louis Airport (STL) | Terminal maps | Airport guide",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/St.%20Louis%20Lambert%20International%20Airport",
            "title": "St. Louis Lambert International Airport",
            "time_published": "2026-05-01T13:15:49Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lambert%20Airport%20Terminal%202%20station",
            "title": "Lambert Airport Terminal 2 station",
            "time_published": "2025-12-17T17:36:46Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Atlanta to St. Louis?",
        "answer": "The nonstop flights from Atlanta to St. Louis are operated by Southwest Airlines, primarily using the Boeing 737 MAX 8, though some flights show an unspecified aircraft type that is almost certainly another 737 variant given Southwest's all-737 fleet. Connecting itineraries — most often via Chicago Midway, Dallas/Fort Worth, Baltimore, or Chicago O'Hare — add other types like the Boeing 737-800, Airbus A319, Canadair Regional Jet 700/900, and Embraer 175 on the shorter leg. The exact aircraft on any given day can vary, but the 737 family dominates the route.",
        "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 Atlanta to St. Louis?",
        "answer": "Delta (SkyTeam), Southwest (no alliance), and Frontier (no alliance) fly nonstop from Atlanta to St. Louis. SkyTeam is the only alliance with a member on the route; Southwest and Frontier are major carriers that belong to no alliance, and other alliances may serve it via connections.",
        "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 Atlanta?",
        "answer": "In Atlanta, Delta dominates with nine Sky Clubs across every concourse, including a flagship 24,500-square-foot lounge near gate D18 that seats over 500 and features Southern-inspired cuisine like Georgia peach and pecan dishes. Access requires a Delta One or SkyTeam premium cabin ticket, Delta Sky Club membership, or an eligible American Express card such as the Platinum Card or Delta Reserve Card, with basic economy excluded. American Express operates a Centurion Lounge in Concourse E, accessible to Platinum and Centurion cardholders, offering chef-curated dining and craft cocktails. Priority Pass members can visit The Club ATL in Concourse F (pre-booking available) or Minute Suites in concourses B, E, and F for private nap pods, though these are not traditional full-service lounges.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/ATL",
            "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US",
            "time_published": "2026-05-02T00:00:00Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/atlanta-sky-club-airport-map",
            "title": "Hartsfield Atlanta (ATL) Airport Map & Lounges | Delta Air Lines",
            "time_published": "2023-01-01T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/lounges/usa/atlanta-ga-international",
            "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2024-11-05T16:20:09Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/ATL",
            "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://prioritypass.com/lounges/usa/atlanta-ga-international/atl11-minute-suites",
            "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          }
        ]
      },
      "q22": {
        "question": "What cabin and seat options are typical from Atlanta to St. Louis?",
        "answer": "On this domestic route, you'll typically find Economy and standard recliner First Class; 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; flexible and higher cabin tickets generally allow same‑day changes or standby, while basic economy often does not."
      }
    }
  }
}