United Airlines UA1474 (UAL1474) LAX to EWR, SNA to EWR, EWR to SAP, EWR to IAD, EWR to SJD (2024)

20. Apr 2024

On Time

This flight is scheduled, it will depart in 1 day.

EWR

New York
TERMINAL: C

->

See Also

UA1474 Flight Status / United Airlines flight 1474 Tracker

4h 40m
3,108km / 1,918mi

SAP

San Pedro Sula

20 Apr 18:50EDT
20 Apr 18:53
22:50 UTC

3min early

20 Apr 21:33CST
21. Apr 03:33 UTC

AIRLINE

NAME

United Airlines

IATA / ICAO

UA / UAL

COUNTRY

United States

Airline Information

" : ""}`; if (activeHex in marker) { liveMap.removeLayer(marker[activeHex]); } const m = L.marker(activeMarker.getLatLng(), { icon: L.divIcon({ className: 'flt-marker', html: htmlc }), alt: activeHex, opacity: lp[7] != '' ? 0.9 : 0.6 }).addTo(liveMap).on('click', onPlaneClick); marker[activeHex] = m; document.getElementById(`mi-${activeHex}`).style.transform = `rotate(${lp[2]}deg)`; activeMarker = null; } activeHex = null; liveTrack = null; liveMarker = null; estTrack = null; document.getElementById('liveMapContainer').style.display = 'none';} /** * Recalculates the new position of a marker based on the time elapsed and its previous state. * @param {Object} liveMap */async function updateCalc(liveMap) { if (recalcInProg || liveMap.getZoom() < 6) { return; } recalcInProg = true; for (const [key, prevPos] of Object.entries(lastPos)) { if (key in marker && prevPos[3] >= 50 && !prevPos[6]) { const speed = prevPos[3] || 0; const interval = Date.now() - prevPos[4]; const dist = speed * interval / 1000 / 3600 * 1852; if (dist < 20) { continue; } // calculate next position const lat1 = toRad(prevPos[0]); const lon1 = toRad(prevPos[1]); const brng = toRad(prevPos[2]); const lat2 = Math.asin(sin(lat1) * cos(dist / r_earth) + cos(lat1) * sin(dist / r_earth) * cos(brng)); const lon2 = lon1 + Math.atan2(sin(brng) * sin(dist / r_earth) * cos(lat1), cos(dist / r_earth) - sin(lat1) * sin(lat2)); const lat2d = toDeg(lat2); const lon2d = toDeg(lon2); lastPos[key] = [lat2d, lon2d, prevPos[2], prevPos[3], Date.now(), prevPos[5], prevPos[6], prevPos[7]]; marker[key].setLatLng([lat2d, lon2d]); if (liveTrack && activeMarker == key) { const l = liveTrack.getLatLngs(); l.push(L.latLng(lat2d, lon2d, prevPos[5])); try { liveTrack.setLatLngs(l); } catch (e) { /* Catch error silently. */ } if (activeDest) { const tn = L.latLng(lat2d, lon2d); liveMap.removeLayer(estTrack); const arcOptions = { color: "lightgray", noClip: true, vertices: 100 }; estTrack = t.lng < tn.lng ? L.Polyline.Arc(activeDest, tn, arcOptions) : L.Polyline.Arc(tn, activeDest, arcOptions); estTrack.addTo(liveMap); tracks.push(estTrack); } } } } recalcInProg = false;}/** * Fetches data from a specific URL, handles errors and returns the JSON response. * @param {string} url */async function getData(url) { const response = await fetch(url, { headers: { Authorization: auth_token } }); if (!response.ok) { handleFetchErrors(response); return null; } if (sf === "") { document.getElementById("liveUpdErr").style.display = 'none'; document.getElementById("liveUpdNotFound").style.display = 'none'; } return response.json();}/** * Handles errors during fetch call * @param {Object} response */function handleFetchErrors(response) { if (sf !== "") return; const liveUpdErr = document.getElementById("liveUpdErr"); const liveUpdNotFound = document.getElementById("liveUpdNotFound"); const liveMapContainer = document.getElementById("liveMapContainer"); if (response.status !== 404) { refreshsActive = false; liveUpdNotFound.style.display = 'none'; liveUpdErr.style.display = 'block'; liveMapContainer.style.display = 'none'; document.getElementById("liveUpdErrCode").innerText = response.status; } else { liveUpdErr.style.display = 'none'; liveMapContainer.style.display = 'none'; liveUpdNotFound.style.display = 'block'; }}async function updateMap(liveMap, fromZoom, clickHex) { if (documentIsHidden()) return; const bounds = liveMap.getBounds(); const url = constructURL(bounds, liveMap.getZoom(), clickHex); if (updateInProgressOrTooSoon(fromZoom)) return; recalcInProg = true; lastUpdate = Date.now(); updateInProg = true; const ld = await getData(url); if (!ld) { updateInProg = false; return; } processMapData(liveMap, ld, fromZoom, clickHex);}function documentIsHidden() { return typeof document.hidden !== "undefined" && document.hidden;}function constructURL(bounds, zoom, clickHex) { const widthText = screenWidth > 1000 ? "large" : "small"; const hexIncl = clickHex ? `?incl=${clickHex}&` : "?"; return `/en/live/map/${Math.floor(bounds['_northEast'].lat * 1e5)}/${Math.floor(bounds['_southWest'].lat * 1e5)}/` + `${Math.floor(bounds['_southWest'].lng * 1e5)}/${Math.floor(bounds['_northEast'].lng * 1e5)}/${zoom}/${widthText}` + hexIncl + `${Math.floor(Date.now() / 5000)}`;}function updateInProgressOrTooSoon(fromZoom) { if (updateInProg) { return true; } const freq = fromZoom ? minZoomFreq : minRefreshFreq; return Date.now() - lastUpdate < freq;}function processMapData(liveMap, ld, fromZoom, clickHex) { newMarker = {}; arcs = []; curArc = []; arcCol = ""; prevCoord = []; document.getElementById("nr_flights_disp").innerText = ld["f"]; document.getElementById("nr_flights_tot").innerText = ld["t"]; const st = screenWidth / ld["f"] > 5; const redraw = st !== hadTitles; for (const entr in ld["m"]) { const e = ld["m"][entr]; handleMarker(liveMap, e, redraw, st); } hadTitles = st; removeUnusedMarkers(liveMap); updateInProg = false; recalcInProg = false; firstUpd = false; if (clickHex) { marker[clickHex].fire('click'); }}function handleMarker(liveMap, e, redraw, st) { if (e[4] == null || e[5] == null) { return; } const currentPos = L.latLng(e[4], e[5]); if (redraw && e[0] in marker) { liveMap.removeLayer(marker[e[0]]); delete marker[e[0]]; } if (e[0] in marker) { updateExistingMarker(e, currentPos); } else { createNewMarker(liveMap, e, currentPos, st); }}function updateExistingMarker(e, currentPos) { const m = marker[e[0]]; m.setLatLng(currentPos); lastPos[e[0]] = [e[4], e[5], e[2], e[6], Date.now(), e[7], e[8], e[9]]; newMarker[e[0]] = true; document.getElementById("mi-" + e[0]).style.transform = "rotate(" + e[2] + "deg)";}function createNewMarker(liveMap, e, currentPos, st) { const htmlc = (st ? "

" + e[9] + "

" : "") + ""; const m = L.marker(currentPos, { icon: L.divIcon({ className: 'flt-marker', html: htmlc }), alt: e[0], opacity: e[3] ? 0.9 : 0.6 }).addTo(liveMap).on('click', onPlaneClick); marker[e[0]] = m; newMarker[e[0]] = true; lastPos[e[0]] = [e[4], e[5], e[2], e[6], Date.now(), e[7], e[8], e[9]]; document.getElementById("mi-" + e[0]).style.transform = "rotate(" + e[2] + "deg)";}function removeUnusedMarkers(liveMap) { for (const m in marker) { if (!(m in newMarker) && m != activeHex) { liveMap.removeLayer(marker[m]); delete marker[m]; } }}function onPlaneClick(e) { if (sf != "") { return; } updateInProg = true; const liveMap = e.target._map; const hex = e.target.options.alt; if (hex == activeHex) { return; } updateTrack(liveMap, `/${lang}/live/track_hex/${hex}`, hex, e);}function onMoveend(e) { localStorage.setItem('livemapCenter', JSON.stringify(e.target.getCenter())); localStorage.setItem('livemapZoom', e.target.getZoom()); updateMap(e.sourceTarget, false); } function onZoomed(e) { updateMap(e.sourceTarget, true) }// Define a utility function for creating a markerfunction createMarker(latLng, iconClass, htmlContent, alt, opacity) { return L.marker(latLng, { icon: L.divIcon({ className: iconClass, html: htmlContent }), alt: alt, opacity: opacity, }).on('click', onPlaneClick);}function updateTrack(liveMap, url, hex, e) { let prevCoord = null; let prevCoordFull = null; getData(url).then(function (ld) { if (!ld) { return; } const hadNoHex = hex === ""; if (hex === "" && url.includes("hex")) { hex = ld[0]; } else if (hex === "") { hex = ld[1]; } if (activeMarker && hex !== activeHex) { // Reset old marker const lp = lastPos[activeHex]; const htmlc = (hadTitles ? "

" + lp[7] + "

" : "") + ""; liveMap.removeLayer(marker[activeHex]); const m = L.marker(activeMarker.getLatLng(), { icon: L.divIcon({ className: 'flt-marker', html: htmlc }), alt: activeHex, opacity: lp[7] != '' ? 0.9 : 0.6 }).addTo(liveMap).on('click', onPlaneClick); marker[activeHex] = m; document.getElementById("mi-" + activeHex).style.transform = "rotate(" + lp[2] + "deg)"; activeMarker = m; } // Set new marker if (hex !== activeHex && e) { const lp = lastPos[hex]; const htmlc = (hadTitles ? "

" + lp[7] + "

" : "") + ""; const m = L.marker(e.target.getLatLng(), { icon: L.divIcon({ className: 'flt-marker', html: htmlc }), alt: hex, opacity: ld[3] ? 0.9 : 0.6 }).addTo(liveMap).on('click', onPlaneClick); marker[hex] = m; liveMap.removeLayer(e.target); activeMarker = m; } refreshsActive = true; recalcInProg = true; arcs = []; curArc = []; arcCol = ""; prevCoord = []; track = ld[23]; if (sf === "") { if (ld[0] !== "") { domElements.get("liveFlnr").href = `/${lang}/live/flight_details/${ld[10]}`; domElements.get("liveFlnr").innerText = ld[0]; } else { domElements.get("liveFlnr").innerText = ""; domElements.get("liveFlnr").href = ""; } if (ld[21]) { domElements.get("liveAirline").innerText = ld[21]; } else { domElements.get("liveAirline").innerText = ""; } domElements.get("liveHex").innerText = ld[1]; if (ld[2] !== "" && ld[2] !== ld[0]) { domElements.get("liveCallsign").innerText = ld[2]; } else { domElements.get("liveCallsign").innerText = ""; } if (ld[3] !== "") { domElements.get("liveReg").href = `/${lang}/planes/${ld[3]}`; domElements.get("liveRegBlock").style.display = "block"; domElements.get("liveReg").innerText = ld[3]; } else { domElements.get("liveReg").innerText = "NA"; domElements.get("liveRegBlock").style.display = "none"; domElements.get("liveReg").href = ""; } if (ld[4] !== "NA") { if (domElements.get("liveRouteContainer")) { domElements.get("liveRouteContainer").style.display = "block"; } domElements.get("liveDep").innerText = ld[5]; domElements.get("liveDepFlag").src = "/staticfiles/" + ld[6].toLowerCase() + ".svg"; domElements.get("liveDep").href = `/${lang}/airport/${ld[5]}/${ld[4]}`; domElements.get("liveDepTime").innerText = ld[11]; if (ld[19] && ld[19] !== "+0") { domElements.get("liveDepDelay").innerText = ld[19]; } else { domElements.get("liveDepDelay").innerText = ""; } } else { domElements.get("liveDep").innerText = "NA"; domElements.get("liveDepTime").innerText = ""; domElements.get("liveDepDelay").innerText = ""; domElements.get("liveRouteContainer").style.display = "none"; } if (ld[7] !== "NA") { if (domElements.get("liveRouteContainer")) { domElements.get("liveRouteContainer").style.display = "block"; } domElements.get("liveArr").innerText = ld[8]; domElements.get("liveArrFlag").src = "/staticfiles/" + ld[9].toLowerCase() + ".svg"; domElements.get("liveArr").href = `/${lang}/airport/${ld[8]}/${ld[7]}`; domElements.get("liveArrTime").innerText = ld[12]; if (ld[20] && ld[20] !== "+0") { domElements.get("liveArrDelay").innerText = ld[20]; } else { domElements.get("liveArrDelay").innerText = ""; } } else { domElements.get("liveArr").innerText = "NA"; domElements.get("liveArrTime").innerText = ""; domElements.get("liveArrDelay").innerText = ""; domElements.get("liveRouteContainer").style.display = "none"; } if (ld[10] !== null) { domElements.get("liveLink").href = `/${lang}/live/flight_details/${ld[10]}`; domElements.get("liveLink").style.display = "block"; } else { domElements.get("liveLink").style.display = "none"; } const lt = track[track.length - 1]; domElements.get("liveAlt").innerText = lt[3] + " ft"; domElements.get("liveSpeed").innerText = lt[5] + " kts"; domElements.get("liveTrack").innerText = lt[4] + "°"; if (ld[18] !== "") { domElements.get("planePic").src = ld[18]; domElements.get("planePic").style.display = "block"; } else { domElements.get("planePic").style.display = "none"; } if (ld[22]) { domElements.get("liveType").innerText = ld[22]; domElements.get("liveTypeBlock").style.display = "block"; } else { domElements.get("liveTypeBlock").style.display = "none"; domElements.get("liveType").innerText = "NA"; } } // update upper items if relevant const liveStatusInd = domElements.get("liveStatusInd"); const liveStatusText = domElements.get("liveStatusText"); if (liveStatusInd && true) { if (!domElements.has("liveTrackHB")) { domElements.set("liveAltHB", document.getElementById("liveAltHB")); domElements.set("liveSpeedHB", document.getElementById("liveSpeedHB")); domElements.set("liveTrackHB", document.getElementById("liveTrackHB")); domElements.set("liveDataHB", document.getElementById("liveDataHB")); } liveStatusInd.innerText = ld[17] ? "Live" : "Landed"; const lt = ld[23][ld[23].length - 1]; if (domElements.get("depTimeLiveHB")) { domElements.get("depTimeLiveHB").innerText = ld[11]; domElements.get("arrTimeLiveHB").innerText = ld[12]; domElements.get("depDelHB").innerText = ld[19]; domElements.get("arrDelHB").innerText = ld[20]; domElements.get("liveAltHB").innerText = lt[3]; domElements.get("liveSpeedHB").innerText = lt[5]; domElements.get("liveTrackHB").innerText = lt[4]; } if (!ld[17]) { domElements.get("liveDataHB").style.display = "none"; } } if (liveStatusText && ld[17]) { liveStatusText.innerText = ""; } if (ld[13] !== null && ld[14] !== null && track.length > 0 && Math.abs(ld[13] - track[0][1] / 1e5) > 1 && Math.abs(ld[14] - track[0][2] / 1e5) > 1) { arcs.push([[[ld[13], ld[14]], [track[0][1] / 1e5, track[0][2] / 1e5]], "lightgray", true]); } prevCoord = null; prevCoordFull = null; lp = null; for (const entr in track) { const p = track[entr]; if (p[1] === null || p[2] === null || p.length == 0) { continue; } let col = "green"; if (prevCoord && (Math.abs(prevCoord[0] - p[1] / 1e5) > 1 || Math.abs(prevCoord[1] - p[2] / 1e5) > 1)) { arcs.push([curArc, arcCol, false]); arcCol = ""; arcs.push([[[prevCoord[0], prevCoord[1]], L.latLng(p[1] / 1e5, p[2] / 1e5, p[3])], "lightgray", true]); curArc = [L.latLng(p[1] / 1e5, p[2] / 1e5, p[3])]; } else if (arcCol !== col) { if (curArc.length > 0) { arcs.push([curArc, arcCol, false]); } if (prevCoord) { curArc = [prevCoord]; } else { curArc = []; } arcCol = col; } prevCoordFull = [p[1] / 1e5, p[2] / 1e5, p[4], p[5], Date.now(), p[3], false, ld[0]]; prevCoord = L.latLng(p[1] / 1e5, p[2] / 1e5, p[3]); curArc.push(prevCoord); if (p[4] !== 0) { lastTrack = p[4]; } } if (curArc.length > 0) { arcs.push([curArc, arcCol]); } if (ld[15] !== null && ld[16] !== null && prevCoord && (Math.abs(prevCoord.lat - ld[15]) > 0.1 || Math.abs(prevCoord.lng - ld[16]) > 0.1)) { arcs.push([[prevCoord, [ld[15], ld[16]]], "lightgray", true]); activeDest = L.latLng(ld[15], ld[16]); } for (const idx in tracks) { tracks[idx].remove(); } tracks = []; for (const idx in arcs) { const a = arcs[idx]; if (a[2]) { if (a[0][0][1] > a[0][1][1]) { const temp = a[0][0]; a[0][0] = a[0][1]; a[0][1] = temp; } p = L.Polyline.Arc(a[0][0], a[0][1], { color: a[1], noClip: true, vertices: 100 }); estTrack = p; } else { p = L.hotline(a[0], { palette: { 0: 'lightgray', 0.1: 'green', 0.5: 'yellow', 0.7: 'orange', 1: 'red' }, min: 0, max: 36000, outlineWidth: 0, weight: 4, noClip: true }); liveTrack = p; } p.addTo(liveMap); tracks.push(p); } if (prevCoordFull) { lastPos[hex] = prevCoordFull; } if (prevCoord) { if (e) { const i = e.sourceTarget; i.setLatLng(prevCoord); activeMarker = i; if (lastTrack) { document.getElementById("mi-" + hex).style.transform = "rotate(" + lastTrack + "deg)"; } if (!refreshs && !viewSet) { liveMap.setView(prevCoord, 8); } } else { if (!activeMarker) { activeMarker = L.marker(prevCoord, { icon: L.icon({ iconUrl: "/img/plane-icon_active.svg?20221124", iconSize: liveMap._zoom > 7 ? sizes[0] : sizes[1] }), rotationAngle: prevCoordFull[2], rotationOrigin: "center center", opacity: 0.8, title: hex }).addTo(liveMap); } else { activeMarker.setLatLng(prevCoord); } } if (e || hadNoHex) { // Only set refresh on first click or for live flight tracks (no hex given then) if (trackRefresh) { window.clearInterval(trackRefresh); } if (ld[17]) { trackRefresh = window.setInterval(function () { if (refreshsActive) { updateTrack(liveMap, url, hex, null); } }, 3000); } } } if (!refreshs && !viewSet) { liveMap.setView(prevCoord, 8); } if (sf === "") { domElements.get("liveMapContainer").style.display = 'block'; } activeHex = hex; updateInProg = false; recalcInProg = false; });} function buildLiveMap(liveMap,activeHex) { const osmUrl = 'https://a.tile.openstreetmap.org/{z}/{x}/{y}.png'; const osmAttrib = '© OpenStreetMap'; const osm = new L.TileLayer(osmUrl, { attribution: osmAttrib }); liveMap.attributionControl.setPrefix(''); liveMap.addLayer(osm); updateMap(liveMap, false,activeHex); liveMap.on('zoomend', onZoomed); liveMap.on('moveend', onMoveend); } function buildTrackMap(liveMap, url) { const osmUrl = 'https://a.tile.openstreetmap.org/{z}/{x}/{y}.png'; const osmAttrib = '© OpenStreetMap'; const osm = new L.TileLayer(osmUrl, { attribution: osmAttrib }); liveMap.attributionControl.setPrefix(''); liveMap.addLayer(osm); updateTrack(liveMap, url, "", null); } loadScript("/js/leaflet.js?20220413" ,function() { // set up the map map = new L.map('map-flight',{sleep:false,minZoom:0, gestureHandling: false}); map.whenReady(() => map.gestureHandling?._handleMouseOver?.()); // create the tile layer with correct attribution map.fitBounds([[15.45278,-87.92361],[40.6925,-74.16861]]); viewSet = true; dep=[40.6925,-74.16861]; arr=[15.45278,-87.92361]; var osmUrl='https://a.tile.openstreetmap.org/{z}/{x}/{y}.png'; var osmAttrib='© OpenStreetMap'; var osm = new L.TileLayer(osmUrl, {attribution: osmAttrib}); map.attributionControl.setPrefix(''); map.addLayer(osm); if (dep[1]

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