{
  "response": {
    "Key": "DFW-WAS",
    "orig": {
      "code": "DFW",
      "type": "airport",
      "city": "Dallas",
      "fullCity": "Dallas, Texas",
      "airport": "Dallas Fort Worth Intl Airport"
    },
    "dest": {
      "code": "WAS",
      "type": "airport",
      "city": "Washington",
      "fullCity": "Washington, United States",
      "airport": "Ronald Reagan National Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Dallas to Washington?",
        "answer": "The flight from Dallas to Washington is about 1,190 miles and typically takes 2 hours 58 minutes. The return leg averages 3 hours 23 minutes, making the westbound trip about 25 minutes 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 Dallas to Washington?",
        "answer": "Yes, there are plenty of non‑stop flights from Dallas‑Fort Worth to the Washington area. American Airlines runs up to 118 weekly flights to Reagan National and another 40 to Dulles, all daily; United adds 27 daily non‑stops to Dulles, and Frontier chips in 5 weekly flights to Dulles on Monday, Thursday, Friday, Saturday, and Sunday.",
        "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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Washington?",
        "answer": "At Ronald Reagan Washington National Airport (DCA), the Metrorail Yellow and Blue Lines connect directly to the terminal, making it the fastest and most-used option for reaching downtown Washington in about 15 minutes. Taxis are available at marked curbside stands, and ride-share services like Uber and Lyft also pick up passengers. Rental car counters are on-site in Terminal Garage 1, with additional off-airport facilities. The airport is just 5 miles from the city center, so all ground transportation options are quick and convenient.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flyreagan.com/dca/reagan-national-frequently-asked-questions",
            "title": "flyreagan.com - Reagan National Frequently Asked Questions",
            "favicon": "https://www.flyreagan.com/themes/custom/mwaa_barrio/favicon.ico"
          },
          {
            "url": "https://www.flyreagan.com/",
            "title": "Official Website of Ronald Reagan Washington National Airport - DCA",
            "favicon": "https://www.flyreagan.com/themes/custom/mwaa_barrio/favicon.ico",
            "time_published": "2026-06-16T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport",
            "title": "Ronald Reagan Washington National Airport",
            "time_published": "2026-04-22T18:33:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport%20station",
            "title": "Ronald Reagan Washington National Airport station",
            "time_published": "2026-04-07T00:26:26Z"
          },
          {
            "url": "https://www.mwaa.com/ipw-2017-archived",
            "title": "IPW 2017 - Archived",
            "time_published": "2021-02-01T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Dallas to Washington?",
        "answer": "The cheapest months to fly from Dallas to Washington are November, September, and August, with average fares around $264, $309, and $313 respectively. The most expensive months are March, October, and June, where average prices climb to $395, $388, and $384.",
        "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 Dallas to Washington?",
        "answer": "For flights from Dallas to Washington, the best fares are typically found when booking 4 to 7 weeks before departure, with an average price around $217. The absolute cheapest day is about 50 days out at $210, while last-minute bookings can cost $375 or more. During summer and holiday periods, you should book at the earlier end of that window, as prices tend to rise more sharply closer to the travel date.",
        "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 Dallas to Washington?",
        "answer": "No overnight (red‑eye) flights are scheduled from Dallas to Washington. Neither nonstop red‑eyes nor connecting itineraries whose long leg is a red‑eye were found on this route.",
        "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 Dallas to Washington?",
        "answer": "American Airlines flies nonstop from Dallas‑Fort Worth to both Washington Reagan (DCA) and Washington Dulles (IAD), with up to 118 weekly flights to DCA and 40 weekly flights to IAD. United Airlines also offers nonstop service to Dulles with 27 weekly flights, while Frontier flies to Dulles 5 times a week. Per‑carrier median fares are not provided for this domestic 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 Dallas and Washington?",
        "answer": "For this domestic route, common layovers include Atlanta, Charlotte, Chicago O'Hare, and Nashville. These hubs offer broad connections and efficient transfers, often with minimal added travel time."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Dallas to Washington?",
        "answer": "On the Dallas/Fort Worth to Washington (Reagan National) route, American Airlines has a 72% on-time departure percentage and a 3% cancellation rate. No other carriers appear in the data, so a comparison isn't possible.",
        "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 Washington?",
        "answer": "April to early June and September to October offer pleasant temperatures and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Dallas to Washington?",
        "answer": "For domestic flights within the United States, bring a Real ID-compliant driver's license or passport, a payment method for baggage fees, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Washington?",
        "answer": "Reagan National is closest to downtown and the National Mall, ideal for business and sightseeing. Dulles is farther out but handles more international flights and long-haul connections. Baltimore/Washington is the farthest, often used for low-cost carriers and regional flights."
      },
      "q13": {
        "question": "How do I get to Dallas Fort Worth Intl Airport from the city center?",
        "answer": "From downtown Dallas, the fastest and most popular way to reach DFW is by ride-share or taxi, which take about 25–35 minutes. A more affordable option is the DART Orange Line light rail, which runs directly to Terminal A in roughly 50–60 minutes. TEXRail also connects downtown Fort Worth to Terminal B. Driving and parking are available, but costs can add up for longer trips.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "http://dfwairport.com/dfwnewsroom/dfw-is-ready-to-welcome-fifa-fans/",
            "title": "DFW International Airport | Official Website",
            "time_published": "2026-04-02T00:00:00Z"
          },
          {
            "url": "https://www.dfwairport.com/explore/transportation/publictransit/?utm_source=google&utm_medium=organic",
            "title": "DFW International Airport | Public Transit",
            "time_published": "2022-05-25T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/CentrePort%2FDFW%20Airport%20station",
            "title": "CentrePort/DFW Airport station",
            "time_published": "2025-12-07T14:04:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/CentrePort/DFW_Airport_station",
            "title": "CentrePort/DFW Airport station",
            "time_published": "2026-05-10T08:51:35Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/atpubs/ntap_jan_31/SC17000.html",
            "title": "Texas. Prototype Runway Status Lights (RWSL) at Dallas/Fort Worth International Airport (DFW)",
            "favicon": "https://faa.gov/air_traffic/publications/atpubs/ntap_jan_31/assets/img/apple-touch-icon.png"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Washington airport?",
        "answer": "Ronald Reagan Washington National Airport (DCA) has no on-site hotels, capsule hotels, or sleeping pods. Several nearby hotels like the Courtyard Arlington Crystal City and Crystal City Marriott are within a five-minute trip and offer free airport shuttles.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/washington-reagan-airport-guide.htm",
            "title": "Washington Reagan Airport Guide (DCA) - Sleeping in Airports",
            "time_published": "2026-01-07T21:56:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport",
            "title": "Ronald Reagan Washington National Airport",
            "time_published": "2026-04-22T18:33:09Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/wasct-courtyard-arlington-crystal-city-reagan-national-airport/overview/?scid=c8e19450-b70a-44de-ba50-f6796678f6bd&gclid=2554f3676e9a11acae559090d043903a&gclsrc=3p.ds",
            "title": "Ronald Reagan Airport Hotel | Courtyard Arlington Crystal City/Reagan National",
            "time_published": "2024-10-11T00:00:00Z"
          },
          {
            "url": "http://activities.marriott.com/north-america/usa/washington-dc/activities/private_airport_transfer_from_ronald_reagan_dca_to_washington_dc-XJEGKV?property=WASRL",
            "title": "Private Airport Transfer from Ronald Reagan DCA to Washington DC",
            "time_published": "2026-04-10T00:00:00Z"
          },
          {
            "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-washington-reagan-airport.htm",
            "title": "Sleeping in Washington Reagan Airport",
            "time_published": "2024-10-04T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/wascc-crystal-city-marriott-at-reagan-national-airport/overview/?EM=DNM_CRYSTALCITYMARRIOTTREUNIONS.COM",
            "title": "Hotels Near Ronald Reagan Airport | Crystal City Marriott",
            "time_published": "2024-10-11T00:00:00Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Ronald Reagan National Airport?",
        "answer": "Ronald Reagan Washington National Airport (DCA) offers free WiFi throughout the terminal and an interfaith chapel for prayer and meditation. Currency exchange offices are not mentioned in the available amenities information.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flyreagan.com/about-reagan-national-airport",
            "title": "flyreagan.com - About Reagan National Airport",
            "time_published": "2022-03-01T00:00:00Z"
          },
          {
            "url": "https://www.flyreagan.com/",
            "title": "Official Website of Ronald Reagan Washington National Airport - DCA",
            "favicon": "https://www.flyreagan.com/themes/custom/mwaa_barrio/favicon.ico",
            "time_published": "2026-06-16T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport",
            "title": "Ronald Reagan Washington National Airport",
            "time_published": "2026-04-22T18:33:09Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport%20station",
            "title": "Ronald Reagan Washington National Airport station",
            "time_published": "2026-04-07T00:26:26Z"
          },
          {
            "url": "https://www.mwaa.com/policefireems/fire-ems/fire-ems-ronald-reagan-washington-national-airport",
            "title": "mwaa.com - Fire & EMS at Ronald Reagan Washington National Airport",
            "favicon": "https://www.mwaa.com/themes/custom/mwaa_barrio/favicon.ico",
            "time_published": "2023-07-01T00:00:00Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Dallas and Washington airports?",
        "answer": "Dallas/Fort Worth International Airport (DFW) offers accessibility services including the GoodMaps app for accessible navigation and participates in the Hidden Disabilities Sunflower Program, allowing travelers to discreetly signal for additional assistance. To arrange assistance at DFW, contact customer service at +1-972-526-0974 or request a Sunflower lanyard in advance. At Ronald Reagan Washington National Airport (DCA), wheelchair-accessible taxis are available, and passengers are encouraged to pre-arrange accessible taxi service 24 hours in advance by calling 703-417-4333; the airport also provides a formal ADA grievance process for disability-related concerns. Information on children's play areas is not detailed in the available sources for either airport.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.dfwairport.com/explore/plan/assist/accessibility/",
            "title": "Airport Accessibility Services | DFW Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png",
            "time_published": "2026-06-18T20:52:56Z"
          },
          {
            "url": "https://www.dfwairport.com/dfwnewsroom/visible-support-for-hidden-disabilities/",
            "title": "DFW International Airport | Official Website",
            "time_published": "2024-11-14T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Dallas%20Fort%20Worth%20International%20Airport",
            "title": "Dallas Fort Worth International Airport",
            "time_published": "2026-04-30T18:05:52Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/atpubs/ntap_jan_31/SC17000.html",
            "title": "Texas. Prototype Runway Status Lights (RWSL) at Dallas/Fort Worth International Airport (DFW)",
            "favicon": "https://faa.gov/air_traffic/publications/atpubs/ntap_jan_31/assets/img/apple-touch-icon.png"
          },
          {
            "url": "https://nfdc.faa.gov/nfdcApps/services/ajv5/airportDisplay.jsp?airportId=DFW",
            "title": "DALLAS-FORT WORTH INTL",
            "time_published": "2000-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport",
            "title": "Ronald Reagan Washington National Airport",
            "time_published": "2026-04-22T18:33:09Z"
          },
          {
            "url": "https://www.flyreagan.com/dca/services-patrons-disabilities",
            "title": "flyreagan.com - Services for Patrons with Disabilities",
            "favicon": "https://www.flyreagan.com/themes/custom/mwaa_barrio/favicon.ico"
          },
          {
            "url": "https://flyreagan.com/parking-transportation/taxi-service",
            "title": "flyreagan.com - Taxi Service",
            "favicon": "https://flyreagan.com/themes/custom/mwaa_barrio/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Ronald%20Reagan%20Washington%20National%20Airport%20station",
            "title": "Ronald Reagan Washington National Airport station",
            "time_published": "2026-04-07T00:26:26Z"
          },
          {
            "url": "https://www.mwaa.com/policies-regulations/civil-rights-patrons/ada-rehab-act-notice",
            "title": "mwaa.com - ADA Rehab Act Notice",
            "time_published": "2021-08-01T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Dallas to Washington?",
        "answer": "On nonstop flights from Dallas/Fort Worth to Washington, the most common aircraft are the Boeing 737-800 and 737 MAX 8, operated by Southwest and American, along with a mix of Airbus A320-family and other 737 variants. Several flights are listed with unspecified equipment, so the exact type can vary by day and airline. Wi-Fi and seatback entertainment are widely available on this route, though specific offerings depend on the carrier and aircraft.",
        "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 Dallas to Washington?",
        "answer": "On nonstop flights from Dallas/Fort Worth to Washington, D.C., American Airlines (Oneworld) and United Airlines (Star Alliance) serve the route, while Frontier Airlines is a major low-cost carrier that belongs to no alliance.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Dallas?",
        "answer": "At Dallas/Fort Worth International Airport (DFW), departing travelers have several premium lounge options. In Terminal D, the American Express Centurion Lounge (near gate D12) offers complimentary access for Platinum and Centurion card members, with a full bar, locally inspired cuisine, shower suites, and a spa. Also in Terminal D, The Club DFW (mezzanine near gate D27) is open to Priority Pass members and day-pass purchasers, featuring a buffet, bar, and shower facilities. The Plaza Premium Lounge in Terminal D provides restaurant vouchers and sleep pods. In Terminal E, the Delta Sky Club is available for eligible Delta passengers, including SkyMiles Reserve cardholders and those in premium cabins.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://prioritypass.com/lounges/usa/dallas-tx---dfw-international",
            "title": "Dallas/Fort Worth International Airport DFW Lounges - DFW Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/airport-guides/dallas-tx-dfw-international/terminal-d",
            "title": "Dallas TX - DFW International DFW Terminal D - Lounges and info. | Priority Pass",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "http://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/DFW/The-Club-DFW-Terminal-D-rlk6LeSCI0/",
            "title": "The Club DFW at Dallas-Fort Worth International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/DFW",
            "title": "American Express Lounges at Dallas-Fort Worth International Airport | Amex US",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://www.dfwairport.com/dfwnewsroom/archivednews/two-new-lounges-mean-more-options-for-dfw-customers/",
            "title": "DFW International Airport | Official Website",
            "time_published": "2018-10-11T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Dallas to Washington?",
        "answer": "On Dallas–Washington flights, baggage rules vary by airline and fare. Basic economy often restricts carry‑ons to a personal item and charges for checked bags. Standard economy typically includes a carry‑on and personal item, while checked bags usually incur a fee."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Dallas to Washington?",
        "answer": "On flights from Dallas to Washington you typically find Economy and standard domestic First class; flat‑bed Business and Premium Economy are uncommon on this short domestic route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium tickets usually allow same‑day changes or standby, while Basic Economy generally does not."
      }
    }
  }
}