Aviation Intelligence Portal

The portal provides insights into various aviation performance areas and is developed by the EUROCONTROL Aviation Intelligence Unit.

// poll again in 10 hours
dd = {
  const url_api =
    "https://aiu-portal.pockethost.io/api/collections/network_situation/records?sort=-date&perPage=1&skipTotal=1";
  let nl = await d3.json(url_api);
  yield nl.items[0];
  while (true) {
    nl = await d3.json(url_api);
    yield Promises.delay(3600 * 10 * 1000, nl.items[0]);
  }
}

format_DD = d3.utcFormat("%d")
format_DD_MON = d3.utcFormat("%d %B")
format_DD_MON_YYYY = d3.utcFormat("%d %B %Y");

week_interval = function (til) {
  const wef = d3.utcDay.offset(til, -6);
  let res = "";
  if (wef.getFullYear() != til.getFullYear()) {
    res = format_DD_MON_YYYY(wef) + " – " + format_DD_MON_YYYY(til);
  } else if (wef.getMonth() != til.getMonth()) {
    res = format_DD_MON(wef) + " – " + format_DD_MON_YYYY(til);
  } else {
    res = format_DD(wef) + " – " + format_DD_MON_YYYY(til);
  }

  return res;
}

til = d3.isoParse(dd.date)
latest_date = format_DD_MON_YYYY(til)
latest_week = week_interval(til)
latest_y2d = "1 Jan – " + format_DD_MON_YYYY(til)

nw_date = d3.select("#nw_day_date")
  .text(latest_date);

day_date = d3.select("#day_date")
  .text(latest_date);
day_traffic = d3.select("#day_traffic")
  .text(d3.format(",")(dd.day_traffic));
dif_day_prev_week = d3.select("#dif_day_prev_week")
  .text(d3.format(".0%")(dd.dif_day_prev_week));
dif_day_prev_year = d3.select("#dif_day_prev_year")
  .text(d3.format("+.0%")(dd.dif_day_prev_year));
dif_day_2019 = d3.select("#dif_day_2019")
  .text(d3.format("+.0%")(dd.dif_day_2019));


// Week
week_date = d3.select("#week_date")
  .text(latest_week);
week_traffic = d3.select("#week_traffic")
  .text(d3.format(",")(Math.round(dd.avg_week_traffic)));
dif_week_prev_week = d3.select("#dif_week_prev_week")
  .text(d3.format(".0%")(dd.dif_week_prev_week));
dif_week_prev_year = d3.select("#dif_week_prev_year")
  .text(d3.format("+.0%")(dd.dif_week_prev_year));
dif_week_2019 = d3.select("#dif_week_2019")
  .text(d3.format("+.0%")(dd.dif_week_2019));


// Year
y2d_date = d3.select("#y2d_date")
  .text(latest_y2d);
y2d_traffic = d3.select("#y2d_traffic")
  .text(d3.format(",")(dd.y2d_flights_total));
avg_y2d_traffic = d3.select("#avg_y2d_traffic")
  .text(d3.format(",")(Math.round(dd.y2d_flights_daily_average)));
dif_y2d_prev_year = d3.select("#dif_y2d_prev_year")
  .text(d3.format("+.0%")(dd.y2d_diff_previous_year_percentage));
dif_y2d_2019 = d3.select("#dif_y2d_2019")
  .text(d3.format("+.0%")(dd.y2d_diff_2019_year_percentage));

Network status on NA

Evolution of daily flights in the EUROCONTROL area (7-day average)

n/a

Total flights

n/a

Vs prev. week

n/a

Vs prev. year

n/a

Vs 2019

n/a

Evolution of daily flights in the EUROCONTROL area (7-day average)

n/a

Avg. daily flights

n/a

Vs prev. week

n/a

Vs prev. year

n/a

Vs 2019

n/a

Evolution of daily flights in the EUROCONTROL area (7-day average)

n/a

Total flights

n/a

Avg. daily flights

n/a

Vs prev. year

n/a

Vs 2019

n/a

day_delay_date = d3.select("#day_delay_date")
  .text(latest_date);
day_delay = d3.select("#day_delay")
  .text(d3.format(",")(dd.day_delay));
dif_day_delay_prev_year_perc = d3.select("#dif_day_delay_prev_year_perc")
  .text(d3.format("+.0%")(dd.dif_day_delay_prev_year_perc));
dif_day_delay_2019_perc = d3.select("#dif_day_delay_2019_perc")
  .text(d3.format("+.0%")(dd.dif_day_delay_2019_perc));

delay_per_flight = (dd.day_traffic == 0) ? 0 : Math.round(dd.day_delay / dd.day_traffic * 100) / 100;
day_delay_flight = d3.select("#day_delay_flight")
  .text(d3.format(",")(delay_per_flight));


// Week
week_delay_date = d3.select("#week_delay_date")
  .text(latest_week);
avg_week_delay = d3.select("#avg_week_delay")
  .text(d3.format(",")(Math.round(dd.avg_week_delay)));
dif_week_delay_prev_year_perc = d3.select("#dif_week_delay_prev_year_perc")
  .text(d3.format("+.0%")(dd.dif_week_delay_prev_year_perc));
dif_week_delay_2019_perc = d3.select("#dif_week_delay_2019_perc")
  .text(d3.format("+.0%")(dd.dif_week_delay_2019_perc));

week_delay_per_flight = (dd.avg_week_traffic == 0) ? 0 : Math.round(dd.avg_week_delay / dd.avg_week_traffic * 100) / 100;

week_delay_flight = d3.select("#week_delay_flight")
  .text(d3.format(",")(week_delay_per_flight));


// Year
y2d_delay_date = d3.select("#y2d_delay_date")
  .text(latest_y2d);
y2d_delay_daily_average = d3.select("#y2d_delay_daily_average")
  .text(d3.format(",")(Math.round(dd.y2d_delay_daily_average)));
dif_y2d_delay_prev_year_perc = d3.select("#dif_y2d_delay_prev_year_perc")
  .text(d3.format("+.0%")(dd.dif_y2d_delay_prev_year_perc));
dif_y2d_delay_2019_perc = d3.select("#dif_y2d_delay_2019_perc")
  .text(d3.format("+.0%")(dd.dif_y2d_delay_2019_perc));
y2d_delay_per_flight = (dd.y2d_flights_total == 0) ? 0 : Math.round(dd.y2d_delay_total / dd.y2d_flights_total * 100) / 100;
y2d_delay_flight = d3.select("#y2d_delay_flight")
  .text(d3.format(",")(y2d_delay_per_flight));