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David Chen is an aviation systems specialist and senior editor at FareWander based in San Francisco, USA. Having previously worked with airline operations and airport ground handling software, David specializes in technical ticketing workflows—including Passenger Name Record (PNR) validation, electronic ticket cross-referencing, and real-time flight tracking data. He ensures all FareWander flight guides meet rigorous factual and technical accuracy standards.
Showing 4 guidespublished & verified
Flight GuidesLearn how to check your flight status online using your airline, airport, booking reference or flight number. Check delays, cancellations, gates and terminals.
Airlines & Flight GuidesWhat is a PNR number on a flight booking? Learn what PNR means, where to find your booking reference, how it works, and how it differs from a ticket number.
Airlines & Flight GuidesConfused by a flight booking confirmation and e-ticket? Learn the difference between an e-ticket, PNR, itinerary and boarding pass—and what you need at the airport.
GuideComplete Aegean Airlines online check-in easily. Select seats, get mobile boarding passes, and save time at the airport with our step-by-step guide.
Specializes in passenger rights, airline ticketing policies, unbundled fare families, and commercial aviation regulations.
A collective of seasoned aviation writers, data analysts, and travel researchers verifying airline rules and airport guidelines.
Specializes in international airport transit protocols, minimum connection times, security regulations, and immigration screening.