{
 "generated": "2026-10-06T07:34:37.632Z",
 "totals": {
  "observations": 1574564,
  "routes": 52968,
  "observed_from": "2026-06-14",
  "observed_to": "2026-10-06"
 },
 "booking_window": {
  "method": "Same flight (route + departure date) observed at different lead times; per lead-time window the median observed fare of that flight, compared with the lowest window of the same flight. Flights kept if seen in at least 3 windows spanning at least 21 days.",
  "flights": 29940,
  "routes": 8124,
  "observations": 290276,
  "windows": [
   {
    "window": "0–3 days",
    "from_days": 0,
    "to_days": 3,
    "flights": 4339,
    "avg_premium_pct": 41.7,
    "median_premium_pct": 19.4,
    "share_at_lowest_pct": 21.5,
    "share_of_lows_pct": 3.1
   },
   {
    "window": "4–7 days",
    "from_days": 4,
    "to_days": 7,
    "flights": 9883,
    "avg_premium_pct": 37.2,
    "median_premium_pct": 16.6,
    "share_at_lowest_pct": 23.4,
    "share_of_lows_pct": 6.7
   },
   {
    "window": "1–2 weeks",
    "from_days": 8,
    "to_days": 14,
    "flights": 13686,
    "avg_premium_pct": 30.4,
    "median_premium_pct": 12.5,
    "share_at_lowest_pct": 27.1,
    "share_of_lows_pct": 10.6
   },
   {
    "window": "2–3 weeks",
    "from_days": 15,
    "to_days": 21,
    "flights": 13032,
    "avg_premium_pct": 23.8,
    "median_premium_pct": 8.1,
    "share_at_lowest_pct": 31.7,
    "share_of_lows_pct": 11.8
   },
   {
    "window": "3–4 weeks",
    "from_days": 22,
    "to_days": 30,
    "flights": 14986,
    "avg_premium_pct": 19.4,
    "median_premium_pct": 5.5,
    "share_at_lowest_pct": 37.5,
    "share_of_lows_pct": 16.2
   },
   {
    "window": "1–1.5 months",
    "from_days": 31,
    "to_days": 45,
    "flights": 19295,
    "avg_premium_pct": 18.3,
    "median_premium_pct": 4.5,
    "share_at_lowest_pct": 40.4,
    "share_of_lows_pct": 22.8
   },
   {
    "window": "1.5–2 months",
    "from_days": 46,
    "to_days": 60,
    "flights": 14258,
    "avg_premium_pct": 22.2,
    "median_premium_pct": 6.2,
    "share_at_lowest_pct": 38.1,
    "share_of_lows_pct": 15.7
   },
   {
    "window": "2–3 months",
    "from_days": 61,
    "to_days": 90,
    "flights": 13451,
    "avg_premium_pct": 30.4,
    "median_premium_pct": 13,
    "share_at_lowest_pct": 32,
    "share_of_lows_pct": 13
   }
  ],
  "sweet_spot": "1–1.5 months",
  "comparisons": {
   "last_week_vs_3_4_weeks": {
    "flights": 6897,
    "median_diff_pct": 8.6,
    "avg_diff_pct": 22.6,
    "share_more_expensive_pct": 64.5
   },
   "two_three_months_vs_3_4_weeks": {
    "flights": 7649,
    "median_diff_pct": 5.1,
    "avg_diff_pct": 14.6,
    "share_more_expensive_pct": 56.6
   }
  }
 },
 "weekday": [
  {
   "day": "Monday",
   "flights": 2175,
   "vs_route_median_pct": 4.7
  },
  {
   "day": "Tuesday",
   "flights": 2595,
   "vs_route_median_pct": 1.4
  },
  {
   "day": "Wednesday",
   "flights": 2621,
   "vs_route_median_pct": 1.4
  },
  {
   "day": "Thursday",
   "flights": 2344,
   "vs_route_median_pct": 4.7
  },
  {
   "day": "Friday",
   "flights": 1849,
   "vs_route_median_pct": 11.8
  },
  {
   "day": "Saturday",
   "flights": 1900,
   "vs_route_median_pct": 10
  },
  {
   "day": "Sunday",
   "flights": 1719,
   "vs_route_median_pct": 10.9
  }
 ],
 "winter_cities": {
  "departures_from": "2026-11-01",
  "cities": [
   {
    "city": "Lamezia Terme (Calabria)",
    "country": "Italy",
    "median_eur": 18,
    "p10_eur": 15,
    "fares": 371,
    "origins": 14
   },
   {
    "city": "Tirana",
    "country": "Albania",
    "median_eur": 19,
    "p10_eur": 14,
    "fares": 1554,
    "origins": 80
   },
   {
    "city": "Edinburgh",
    "country": "United Kingdom",
    "median_eur": 25,
    "p10_eur": 19,
    "fares": 2977,
    "origins": 63
   },
   {
    "city": "Catania",
    "country": "Italy",
    "median_eur": 25,
    "p10_eur": 16,
    "fares": 1372,
    "origins": 62
   },
   {
    "city": "London",
    "country": "United Kingdom",
    "median_eur": 26,
    "p10_eur": 17,
    "fares": 11676,
    "origins": 161
   },
   {
    "city": "Asturias (Oviedo)",
    "country": "Spain",
    "median_eur": 26,
    "p10_eur": 18,
    "fares": 300,
    "origins": 28
   },
   {
    "city": "Milan",
    "country": "Italy",
    "median_eur": 27,
    "p10_eur": 16,
    "fares": 22512,
    "origins": 165
   },
   {
    "city": "Turin",
    "country": "Italy",
    "median_eur": 27,
    "p10_eur": 15,
    "fares": 1044,
    "origins": 53
   },
   {
    "city": "Valletta",
    "country": "Malta",
    "median_eur": 27,
    "p10_eur": 16,
    "fares": 1478,
    "origins": 75
   },
   {
    "city": "Bologna",
    "country": "Italy",
    "median_eur": 28,
    "p10_eur": 16,
    "fares": 925,
    "origins": 80
   },
   {
    "city": "Ibiza",
    "country": "Spain",
    "median_eur": 28,
    "p10_eur": 14,
    "fares": 344,
    "origins": 27
   },
   {
    "city": "Skopje",
    "country": "North Macedonia",
    "median_eur": 28,
    "p10_eur": 13,
    "fares": 305,
    "origins": 25
   },
   {
    "city": "Palermo",
    "country": "Italy",
    "median_eur": 28,
    "p10_eur": 14,
    "fares": 1554,
    "origins": 79
   },
   {
    "city": "Bratislava",
    "country": "Slovakia",
    "median_eur": 29,
    "p10_eur": 16,
    "fares": 1303,
    "origins": 79
   },
   {
    "city": "Dortmund",
    "country": "Germany",
    "median_eur": 30,
    "p10_eur": 20,
    "fares": 569,
    "origins": 47
   },
   {
    "city": "Pisa",
    "country": "Italy",
    "median_eur": 30,
    "p10_eur": 17,
    "fares": 680,
    "origins": 53
   },
   {
    "city": "Venice",
    "country": "Italy",
    "median_eur": 30,
    "p10_eur": 17,
    "fares": 4251,
    "origins": 115
   },
   {
    "city": "Liverpool",
    "country": "United Kingdom",
    "median_eur": 31,
    "p10_eur": 19,
    "fares": 187,
    "origins": 17
   },
   {
    "city": "Palma de Mallorca",
    "country": "Spain",
    "median_eur": 31,
    "p10_eur": 14,
    "fares": 1691,
    "origins": 67
   },
   {
    "city": "Cagliari",
    "country": "Italy",
    "median_eur": 31,
    "p10_eur": 17,
    "fares": 420,
    "origins": 31
   }
  ],
  "cities_ranked": 110
 },
 "monthly_index": {
  "base": "2026-08",
  "months": [
   {
    "month": "2026-08",
    "index": 100,
    "routes_linked": 0,
    "routes": 10546,
    "median_fare_eur": 106.5,
    "frozen_at": "2026-10-06"
   },
   {
    "month": "2026-09",
    "index": 96.9,
    "routes_linked": 9137,
    "routes": 18911,
    "median_fare_eur": 101,
    "mom_pct": -3.1,
    "frozen_at": "2026-10-06"
   }
  ],
  "current": {
   "month": "2026-10",
   "index": 97.4,
   "routes_linked": 9460,
   "routes": 11903,
   "median_fare_eur": 92,
   "mom_pct": 0.4,
   "partial": true
  },
  "method": "Chain-linked: each month, the median fare per route for departures in the next 60 days (routes with >=5 fares); the index moves by the median month-on-month change over routes present in both months. Closed months are frozen."
 }
}