OnTimeIndex

Routes & Connections

Score a route or a connection

Pick two airports and see how each airline that flies between them actually performs — on-time arrival rate, typical and worst-case delay, and cancellations — over the trailing 12 months of federal filings. Every figure is the airline's own reported record, in the exact direction you fly.

These tools answer the questions a booking page won't: which carrier on this route lands on time most often, and whether a tight connection is one most inbound flights would actually have made.

Route Reliability Check

On-time arrival rates, typical and worst-case delays, and cancellations for every airline on a U.S. route — from the DOT's on-time filings.

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Connection Risk Calculator

How often a given layover at a connecting airport actually works, from the historical arrival record of the inbound route.

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