Partly stale · checked FAA NAS status 223 h staleForecast cycle 1 hLightning 223 h staleWeather observations no data staleFAA surface data 2 minFAA flight data 1 min

FAA NAS status is stale (223 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (223 h old). Lightning items are paused; thunderstorm items still come from official observations.

Weather observations is stale. Weather items are paused until it is fresh again; missing observations never end a weather event.

Observed Major Resolved Delay SMF departures

Sacramento departure delays worsen: 85% late in the last hour

Current state
Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
Started
Latest activity
Updates
2
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Tailodds reports what the FAA publishes, what we measure and what our model forecasts. It doesn’t control airport operations or change bookings; check with your airline about your trip.

Updates oldest first

  1. Initial Observed

    Sacramento departures running late: 53% left 15+ min late in the last hour

    Of 15 departures that took off between 6:41 PM and 7:41 PM PDT, 8 left at least 15 minutes late. Sacramento typically sees 27% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window6:41 PM–7:41 PM PDT
    Sample15 flights, 8 late (53%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay23.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-23 02:41 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
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  2. Escalation Observed

    Sacramento departure delays worsen: 85% late in the last hour

    What changed: late share 53% → 85%

    Of 13 departures that took off between 9:07 PM and 10:07 PM PDT, 11 left at least 15 minutes late. Sacramento typically sees 33% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 9 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window9:07 PM–10:07 PM PDT
    Sample13 flights, 11 late (85%)
    Comparison33% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay56.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-23 05:07 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
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Closed Fri Oct 23, 4:15 AM PDT: No usable measurement for 6 h; closed without a recovery report.