Here are a few sites to help you find the best seats on a plane, flight status, airport status and general airport information.
www.tsa.gov/real-id (Real ID requirements for domestic air travel after October 1, 2020)
www.seatguru.com (Airline seating charts)
www.flightstats.com (Track flight status)
www.fly.faa.gov (Airport status updates)
www.quickaid.com (General airport and airline info)
www.transtats.bts.gov (General airline on time statistic from DOT)