US airline on-time performance and passenger traffic by month (official public data): on-time %, delays 15+
minutes, cancellations, diversions, average arrival delay and delay causes (since 2010, scheduled domestic flights
of the large US airlines and their regional partners, counted at the departure airport), and passengers, seats,
departures and load factor per airline, airport and non-stop route (since 2015, US domestic and international,
US and foreign airlines). Monthly data, about 2 to 3 months behind. Listed companies by ticker (DAL, AAL, UAL,
LUV, ALK, JBLU, ALGT, ULCC, SKYW, SNCY, CPA, VLRS ...).
view "airlines" (default): airlines ranked for a period (period = latest, ttm, 2025 or 2025-07) by sort =
on_time_pct (default), cancelled_pct, delayed_pct, avg_arrival_delay_min, flights, passengers, load_factor_pct or
passengers_change_pct; ticker = a listed company's airlines (e.g. DAL: Delta and Endeavor).
view "airline": one airline (carrier code, e.g. DL, AA, UA, WN, B6, 9E) with its newest month, last 12 months,
busiest airports and routes.
view "series": monthly numbers of carrier (comma-separated codes), ticker, or all airlines; by "carrier" splits
them; date_from / date_to (YYYY-MM).
view "airports": airports ranked for a period by passengers (default), flights, on_time_pct or cancelled_pct;
filters {"state": "TX"} or {"country": "US"}.
view "airport": one airport (airport = 3-letter code, e.g. ATL, JFK, LAX) with its monthly series, carriers and
top routes.
view "routes": non-stop routes ranked by passengers for a period; origin, dest or airport (either end), carrier,
ticker; by "carrier" for one row per airline and route; filters {"series": true} with one origin and dest for a
route's monthly series, {"international": true}.
view "travelers": passengers on flights within, to and from the US by month (domestic and international, change
from a year earlier). Daily traveler counts are not available.
on_time_pct counts cancelled and diverted flights as not on time. A passenger on a connecting trip is counted on
each flight.