Observed arrival · 2026-10-28
DelayHistory: the record behind your flight number
A lookup tool for historical on-time performance across U.S. domestic flights, routes, airlines, and airports, with sample sizes shown alongside the figures.
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- Travelers comparing flight punctuality
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- The site says it suppresses figures below 30 recorded arrivals and displays the sample size, time window, source, and source publication date.
Field notes
The homepage supports lookup by flight number, route, or airline, and links to airport, route, and airline records. Its displayed national summary reports 6,895,984 operated arrivals for Sep 2025–Aug 2026; the site says each figure includes its sample, window, source, and source publication date. The methodology notes that 59% of flight numbers serve more than one route in a month and describes calculating records by leg.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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