{
  "response": {
    "Key": "BKK-ATL",
    "orig": {
      "code": "BKK",
      "type": "airport",
      "city": "Bangkok",
      "fullCity": "Bangkok, Thailand",
      "airport": "Suvarnabhumi Airport"
    },
    "dest": {
      "code": "ATL",
      "type": "airport",
      "city": "Atlanta",
      "fullCity": "Atlanta, Georgia",
      "airport": "Hartsfield Jackson Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Bangkok to Atlanta?",
        "answer": "There is no scheduled nonstop service from Bangkok to Atlanta, so the journey requires at least one connection and typically takes around 20 to 24 hours total, depending on the layover. The airports are about 9,150 miles apart.",
        "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 Bangkok to Atlanta?",
        "answer": "There are no nonstop flights from Bangkok to Atlanta. The shortest connecting option is typically a one-stop routing via Doha on Qatar Airways, with a total journey time around 21–22 hours including a layover of about 9½ hours. Other one-stop connections route through Frankfurt, Addis Ababa, Istanbul, or Abu Dhabi, all taking roughly 22–26 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.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Atlanta?",
        "answer": "Getting from Hartsfield-Jackson into downtown Atlanta is straightforward, with MARTA's Red and Gold rail lines providing the fastest and most-used option directly from the domestic terminal — it's a roughly 20-minute ride that avoids traffic. Taxis and ride-share services like Uber and Lyft are readily available at both terminals, though they can be slower during peak congestion. Shared-ride shuttles offer a budget-friendly alternative, with fares to downtown starting around $16.50 per person. Car rentals are consolidated at a remote facility accessible via the free ATL SkyTrain, and the airport is conveniently located near Interstates 20, 75, 85, and 285 for those driving themselves.",
        "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"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Bangkok to Atlanta?",
        "answer": "Flights from Bangkok to Atlanta are cheapest in February, January, and October, with average fares around $337-$345, and September is also relatively low. The most expensive months are July, June, and December, where average prices climb to roughly $390-$402. Late winter and early fall offer the best value, while mid-summer and the year-end holiday period cost the most.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Bangkok to Atlanta?",
        "answer": "For Bangkok to Atlanta, the optimal booking window is roughly 4-6 weeks before departure, when fares average around $288, with the absolute lowest single price ($286) appearing about 30 days out. Booking much earlier costs more—fares climb to $468 at 180 days ahead—and this pattern holds fairly steadily, though for summer or holiday peaks you'd want to stay toward the earlier end of that 4-6 week range, as last-minute prices rise to about $349.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Bangkok to Atlanta?",
        "answer": "There are no nonstop red‑eye flights from Bangkok to Atlanta, but connecting itineraries whose long leg is an overnight flight do exist. One such itinerary, operated by Ethiopian Airlines, departs Bangkok and connects at Addis Ababa (ADD), where the overnight leg ADD→ATL departs at 22:00 and arrives at 08:55 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 Bangkok to Atlanta?",
        "answer": "There is no nonstop service from Bangkok to Atlanta. Common one-stop routings include Qatar Airways via Doha (roughly three times daily), Thai Airways via Frankfurt (twice daily), and single daily connections on Ethiopian via Addis Ababa, Turkish Airlines via Istanbul, and Etihad via Abu Dhabi. Per-carrier 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 Bangkok and Atlanta?",
        "answer": "Common layover hubs include Seoul Incheon, Tokyo Narita/Haneda, Doha, and Dubai. Seoul and Tokyo offer efficient connections and broad networks on Asian carriers, while Doha and Dubai provide seamless transfers on a single airline and visa-free transit for many nationalities."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Atlanta?",
        "answer": "March to May and September to October offer mild temperatures and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Bangkok to Atlanta?",
        "answer": "Bring a passport valid for at least six months beyond your stay, a valid U.S. visa or ESTA authorization, and proof of onward or return travel. Have a payment method for bags and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Atlanta?",
        "answer": "Hartsfield-Jackson is the only commercial airport in Atlanta and is one of the world's busiest hubs, well-connected to downtown and a major base for Delta Air Lines."
      },
      "q13": {
        "question": "How do I get to Suvarnabhumi Airport from the city center?",
        "answer": "From downtown Bangkok to Suvarnabhumi Airport, you can take the Airport Rail Link from Phaya Thai station (fastest, about 25–30 minutes, budget-friendly), public BMTA buses (routes like S1 from Khao San Road, very cheap but slower), ride‑share via Grab (convenient, mid‑range cost), or a metered taxi (widely used, moderate fare plus a small airport surcharge). Driving yourself is an option with rental cars and parking available, but traffic can be heavy. The Airport Rail Link is the most popular choice for its speed and reliability, while taxis and Grab offer door‑to‑door ease.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://suvarnabhumi.airportthai.co.th/service/airport-guide/detail/Transportation_BKK",
            "title": "Ways to transport",
            "favicon": "https://suvarnabhumi.airportthai.co.th/service/airport-guide/detail/images/favicons/aot_apple_180.png",
            "time_published": "2021-08-25T04:00:00Z"
          },
          {
            "url": "https://suvarnabhumi.airportthai.co.th/service/transportation/detail/317",
            "title": "Bus BMTA",
            "time_published": "2021-08-25T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Suvarnabhumi%20Airport",
            "title": "Suvarnabhumi Airport",
            "time_published": "2026-04-29T22:02:29Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Suvarnabhumi_Airport_Automated_People_Mover",
            "title": "Suvarnabhumi Airport Automated People Mover",
            "time_published": "2026-03-22T13:16:31Z"
          },
          {
            "url": "https://suvarnabhumi.airportthai.co.th/",
            "title": "Suvarnabhumi Airport | Bangkok International airport of Thailand | BKK",
            "favicon": "https://suvarnabhumi.airportthai.co.th/images/favicons/aot_apple_180.png",
            "time_published": "2024-09-26T17:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Atlanta airport?",
        "answer": "Atlanta Airport (ATL) does not have on-site hotels, capsule hotels, or sleeping pods inside the terminals, but there are several nearby hotels connected by the free ATL SkyTrain. The Atlanta Airport Marriott Gateway, SpringHill Suites, and AC Hotel are all located just one SkyTrain stop from the airport, providing quick and easy access without needing a shuttle bus. Additionally, airside areas in Concourses E and F offer couches and loveseats that can be used for resting during layovers.",
        "toolsUsed": [],
        "references": [
          {
            "url": "http://www.sleepinginairports.net/usa/atlanta.htm",
            "title": "Atlanta Airport Guide (ATL) - Sleeping in Airports",
            "time_published": "2026-02-03T21:28:47Z"
          },
          {
            "url": "https://sleepinginairports.net/guides/atlanta-airport-guide.htm",
            "title": "Atlanta Airport Guide (ATL) - 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": "2018-08-03T09:01:21Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/atlma-atlanta-airport-marriott-gateway/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Hotel Near Atlanta Airport | Atlanta Airport Marriott Gateway",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/atlgi-springhill-suites-atlanta-airport-gateway/overview/",
            "title": "SpringHill Suites Atlanta Airport Gateway - Near ATL",
            "time_published": "2024-10-11T00:00:00Z"
          },
          {
            "url": "https://www.atl.com/media-center/press-releases/read?id=625f1be148006300195ab40b",
            "title": "- 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": "2021-02-04T00:59:58Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/atlat-ac-hotel-atlanta-airport-gateway/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Airport Hotel in Atlanta | AC Hotel Atlanta Airport Gateway",
            "time_published": "2023-08-11T00:00:00Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Bangkok and Atlanta airports?",
        "answer": "At Suvarnabhumi Airport (BKK), passengers requiring special assistance can contact the Customer Service Department for mobility support, accessible parking, elevators, and restrooms, with facilities like baby care rooms and a universal design. At Hartsfield-Jackson Atlanta International Airport (ATL), wheelchair assistance is arranged directly through your airline, and the ADA Office oversees accessibility, with additional support from a Citizens' ADA Advisory Committee. To arrange assistance at either airport, it's best to request it at least 48 hours in advance by contacting your airline or the airport's customer service.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://suvarnabhumi.airportthai.co.th/",
            "title": "Suvarnabhumi Airport | Bangkok International airport of Thailand | BKK",
            "favicon": "https://suvarnabhumi.airportthai.co.th/images/favicons/aot_apple_180.png",
            "time_published": "2024-09-26T17:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Suvarnabhumi%20Airport",
            "title": "Suvarnabhumi Airport",
            "time_published": "2026-04-29T22:02:29Z"
          },
          {
            "url": "https://suvarnabhumi.airportthai.co.th/service/facility",
            "title": "Airport Facilities",
            "time_published": "2021-08-25T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Suvarnabhumi%20Airport%20Automated%20People%20Mover",
            "title": "Suvarnabhumi Airport Automated People Mover",
            "time_published": "2026-03-22T13:16:31Z"
          },
          {
            "url": "https://www.airportthai.co.th/en/disabled-passengers/",
            "title": "Disabled Passengers - Airports of Thailand",
            "time_published": "2023-11-03T00:00:00Z"
          },
          {
            "url": "https://www.atl.com/civil-rights/",
            "title": "Civil Rights (ADA & amp; Title VI) - 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": "2016-07-19T14:55:47Z"
          },
          {
            "url": "https://www.atl.com/ADA",
            "title": "Civil Rights (ADA & amp; Title VI) - 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": "2016-07-19T14:55:47Z"
          },
          {
            "url": "https://nfdc.faa.gov/nfdcApps/services/ajv5/airportDisplay.jsp?airportId=ATL",
            "title": "HARTSFIELD/JACKSON ATLANTA INTL",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.airporttech.tc.faa.gov/Products/Airport-Pavement-Papers-Publications/Airport-Pavement-Detail/faa-rigid-pavement-instrumentation-at-atlanta-hartsfield-jackson-international-airport",
            "title": "FAA Rigid Pavement Instrumentation at Atlanta Hartsfield-Jackson International Airport",
            "time_published": "2007-01-02T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Assistance_for_airline_passengers_with_disabilities",
            "title": "Assistance for airline passengers with disabilities",
            "time_published": "2025-09-29T17:44:25Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Bangkok to Atlanta?",
        "answer": "No nonstop flights operate between Bangkok and Atlanta; travelers connect through hubs in the Middle East, Europe, or Africa. The long-haul legs are most often flown by Airbus A350-1000s (via Doha or Abu Dhabi) and Boeing 777-300ERs (via Frankfurt), with Boeing 787 variants also appearing on connections through Addis Ababa or Istanbul. The exact aircraft can vary by day and airline, but these widebody types dominate the one-stop itineraries, and on most of them Wi-Fi and seatback entertainment are 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 Bangkok to Atlanta?",
        "answer": "Flights from Bangkok to Atlanta are connecting only, with oneworld (via Qatar Airways), Star Alliance (via Turkish Airlines and Air Canada), and SkyTeam (via Korean Air, Delta, KLM, and Air France) all represented among the carriers that actually operate the route. Etihad and STARLUX also serve it but belong to no major 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. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price.",
        "toolsUsed": [
          "route_airlines",
          "route_options"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Bangkok?",
        "answer": "Suvarnabhumi Airport (BKK) offers a large network of independent lounges, primarily from the Miracle and Coral chains, with multiple locations across concourses A, C, D, F, G, and the Satellite 1 terminal. Access is typically available to business and first class passengers, elite status holders, and through Priority Pass or American Express Platinum cards. The Miracle First Class Lounge in Concourse G features a quiet, exclusive atmosphere, while the Miracle Business Class Lounge in Satellite 1 is open 24 hours and known for its comfort and peaceful design. The Coral Finest Business Class Lounges in Concourses C and D provide a cocoon-style seating area and a range of hot and cold buffet options. Note that airline-branded lounges like Delta Sky Club or United Club are not present at this airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/thailand/suvarnabhumi",
            "title": "Suvarnabhumi Airport BKK Lounges - BKK Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-th/travel/lounges/the-platinum-card/BKK",
            "title": "American Express Lounges at Suvarnabhumi Airport | Amex TH",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://suvarnabhumi.airportthai.co.th/",
            "title": "Suvarnabhumi Airport | Bangkok International airport of Thailand | BKK",
            "favicon": "https://suvarnabhumi.airportthai.co.th/images/favicons/aot_apple_180.png",
            "time_published": "2024-09-26T17:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/BKK",
            "title": "American Express Lounges at Suvarnabhumi Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://prioritypass.com/lounges/thailand/bangkok-suvarnabhumi-intl/bkk2-louis-tavern-cip-first-class-conc-g-lounge",
            "title": "Suvarnabhumi Airport BKK Lounges - BKK Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Bangkok to Atlanta?",
        "answer": "Baggage allowance on flights from Bangkok to Atlanta depends on the airline and fare. Basic economy tickets often do not include a checked bag, while standard international economy usually allows one checked bag and a carry‑on. Premium cabins offer more generous allowances, typically two checked bags."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Bangkok to Atlanta?",
        "answer": "Flights from Bangkok to Atlanta typically offer Economy, Premium Economy, and flat-bed Business class, with First class available on select itineraries."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare class; flexible and premium cabin tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."
      }
    }
  }
}