Layover Risk Checker

Many international connections need more time than domestic flights because immigration, security re-checks, terminal transfers, and boarding cutoffs can stack together. Use the checker to compare your layover against a practical buffer, then verify airport and airline rules before booking.

Yes. Separate tickets usually mean the second airline is not required to protect you if the first flight is delayed. You may also need to reclaim checked bags and check in again, so the tool adds a larger buffer for separate-ticket trips.

Short connection time, checked baggage, terminal changes, border control, large unfamiliar airports, and separate tickets are the biggest risk factors. A small delay can become a missed flight when several of these apply.

If the margin is below 30 minutes, a longer layover is usually safer. This is especially true for long-haul arrivals, budget carriers, last flights of the day, or trips where missing the connection would be expensive.