You've cleared security. Your carry-on fits the sizer. Your liquids are perfectly portioned. You're ready to board.
Then—a polite but firm pause at the gate or immigration desk. A document issue. Something small, easily overlooked, and entirely preventable.
In 2026, border agents and airline staff across the United States, Mexico, and Latin America are enforcing document checks with unprecedented rigor. Digital verification systems now flag even minor discrepancies in real time, turning what used to be a gentle oversight into an immediate travel halt.
The good news? These hurdles are almost always avoidable. Here's what commonly goes wrong—and exactly how to prepare so your journey stays on track.
Common Document Pitfalls (And How to Sidestep Them)
A. The Six-Month Passport Rule
Many countries—including Mexico, Costa Rica, Panama, and nearly all of Europe—require your passport to be valid for at least six months beyond your planned entry date.
The reality: Even if your trip is only 10 days long, if your passport expires in five months, you will likely be denied boarding. Airlines check this automatically during check-in and have no discretion to make exceptions.
The fix: Renew your passport at least nine months before it expires. Don't wait for the last minute. Treat your passport's expiry date like a hard deadline—not a suggestion.

