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Observed Significant Resolved Delay SFO departures

SFO departures back near normal: 15% late in the last hour

Current state
Resolved at 11:36 PM PDT
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

    SFO departures running late: 46% left 15+ min late in the last hour

    Of 35 departures that took off between 7:13 PM and 8:13 PM PDT, 16 left at least 15 minutes late. SFO typically sees 25% 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 window7:13 PM–8:13 PM PDT
    Sample35 flights, 16 late (46%)
    Comparison25% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay12.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-20 03:13 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. Recovery Observed

    SFO departures back near normal: 15% late in the last hour

    What changed: late share 61% at worst → 15% now

    Of 26 departures that took off between 10:36 PM and 11:36 PM PDT, 4 left at least 15 minutes late. SFO typically sees 27% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window10:36 PM–11:36 PM PDT
    Sample26 flights, 4 late (15%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 11 PM hour
    Median delay2.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-20 06:36 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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