GDS and Airline Systems
Explainers on how Global Distribution Systems work and why they matter for visa applicants. Understand the technology behind flight bookings, PNR verification, and embassy checks.
23 Apr 2026•9 mins
Do Embassies Verify Flight Reservations Through GDS?
Embassies verify flight reservations primarily through GDS systems, not public airline websites. Here is exactly how the verification process works, which embassies check most thoroughly, and what happens when a GDS check fails.
18 Apr 2026•6 mins
Can Border Officers Call Airlines to Verify Tickets?
Border officers can call airlines to verify your ticket, and most have even faster methods available. Here is how the verification process works, when officers actually check, and what it means for your travel documents.
