How much connection time you really need
On routes and hubs below about 75% on-time, allow at least 60-90 minutes for a domestic connection and more for international or terminal changes. Use each route and airport page here to gauge the on-time rate before you book a tight layover.
Why it matters
A practical rule of thumb for minimum connection time based on a route's on-time rate and the hub's delay profile. Use this alongside the route on-time pages and hub airport delay pages to interpret the numbers in context.
Frequently asked questions
Where does the data behind "How much connection time you really need" come from?
From the US DOT Bureau of Transportation Statistics Airline On-Time Performance record. RouteOnTime's airport on-time and cancellation figures are real BTS data for full-year 2024; per-route figures are estimates derived from the endpoint airports. See the methodology page for details.
Is this guide specific to one airline?
No — these definitions apply across all US reporting carriers. Per-route and per-airport figures are on the route and airport pages.
Related guides
Last updated: 2026-06-13