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Observed Significant Resolved Delay SFO departures

SFO departures back near normal: 22% late in the last hour

Current state
Resolved at 10:12 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: 50% left 15+ min late in the last hour

    Of 16 departures that took off between 5:42 PM and 6:42 PM PDT, 8 left at least 15 minutes late. SFO typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window5:42 PM–6:42 PM PDT
    Sample16 flights, 8 late (50%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 6 PM hour
    Median delay19.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 01:42 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: 22% late in the last hour

    What changed: late share 61% at worst → 22% now

    Of 32 departures that took off between 9:12 PM and 10:12 PM PDT, 7 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 9 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 window9:12 PM–10:12 PM PDT
    Sample32 flights, 7 late (22%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay5.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 05:12 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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