# flightcheck.live > Plain-English flight delay data for every U.S. airport, airline, and route in the United States. ## About Flight Check transforms Bureau of Transportation Statistics data into plain-English answers about flight delays, airport performance, TSA wait times, and airline reliability. Data is sourced from U.S. government agencies and updated regularly. ## Data Sources - Bureau of Transportation Statistics (BTS) — monthly on-time performance data - FAA NASSTATUS — real-time airport delay and ground stop information - National Weather Service (NWS) — live airport weather conditions - TSA — historical wait time patterns by airport, day, and hour - Department of Transportation — airline consumer complaint data ## Key Pages - /airport/{IATA_CODE} — Delay statistics, on-time rates, TSA wait times, weather, and airline performance for a specific airport - /route/{ORIGIN}/{DEST} — Route-specific on-time performance and airline comparisons - /airline/{CODE} — Airline reliability rankings, complaint data, and top routes - /airlines — All U.S. airlines ranked by on-time arrival percentage - /tsa-wait-times — TSA wait time predictions by airport, day of week, and hour - /routes — Browse all routes grouped by hub airport - /data — Raw data tables for airports, airlines, and complaints - /worst-airports-for-delays — Ranked list of U.S. airports by delay frequency - /best-time-to-fly — Data-driven recommendations for avoiding delays - /delays-today — Real-time FAA delay and ground stop status ## Coverage - 50+ U.S. airports - 12+ major U.S. airlines - 200+ domestic routes - TSA wait predictions for every airport by day and hour ## Contact - Website: https://flightcheck.live - Contact: https://flightcheck.live/contact