finalData = flights.map(f => {
const deptInfo = airports.find(x => x.airport_ident === f.departure)
const deptLatitude = +deptInfo?.latitude_deg
const deptLongitude = +deptInfo?.longitude_deg
const deptCity = deptInfo?.municipality
const arrivalInfo = airports.find(x => x.airport_ident === f.arrival)
const arrivalLatitude = +arrivalInfo?.latitude_deg
const arrivalLongitude = +arrivalInfo?.longitude_deg
const arrivalCity = arrivalInfo?.municipality
return {...f, celeb: f.celeb.toLowerCase(), deptLatitude, deptLongitude, arrivalLatitude, arrivalLongitude, deptCity, arrivalCity }
} )