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Observed Major Resolved Delay SFO departures

SFO departures back near normal: 9% late in the last hour

Current state
Resolved at 6:44 AM PDT
Started
Latest activity
Updates
11
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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: 58% left 15+ min late in the last hour

    Of 31 departures that took off between 11:16 AM and 12:16 PM PDT, 18 left at least 15 minutes late. SFO typically sees 28% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window11:16 AM–12:16 PM PDT
    Sample31 flights, 18 late (58%)
    Comparison28% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour
    Median delay22.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-22 19:16 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

    SFO departure delays worsen: 66% late in the last hour

    What changed: late share 58% → 66%

    Of 35 departures that took off between 1:04 PM and 2:04 PM PDT, 23 left at least 15 minutes late. SFO typically sees 29% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 1 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window1:04 PM–2:04 PM PDT
    Sample35 flights, 23 late (66%)
    Comparison29% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay33.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-22 21:04 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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  3. De-escalation Observed

    SFO departure delays ease: 62% late in the last hour, still above normal

    What changed: late share 66% → 62%

    Of 40 departures that took off between 1:35 PM and 2:35 PM PDT, 25 left at least 15 minutes late. SFO typically sees 32% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 2 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window1:35 PM–2:35 PM PDT
    Sample40 flights, 25 late (62%)
    Comparison32% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
    Median delay35.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-22 21:35 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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  4. Escalation Observed

    SFO departure delays worsen: 80% late in the last hour

    What changed: late share 62% → 80%

    Of 35 departures that took off between 2:43 PM and 3:43 PM PDT, 28 left at least 15 minutes late. SFO typically sees 35% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 3 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window2:43 PM–3:43 PM PDT
    Sample35 flights, 28 late (80%)
    Comparison35% typical · US DOT on-time data, last 12 published months, departures in the 3 PM hour
    Median delay38.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-22 22:43 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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  5. De-escalation Observed

    SFO departure delays ease: 48% late in the last hour, still above normal

    What changed: late share 80% → 48%

    Of 25 departures that took off between 4:03 PM and 5:03 PM PDT, 12 left at least 15 minutes late. SFO typically sees 29% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 4 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window4:03 PM–5:03 PM PDT
    Sample25 flights, 12 late (48%)
    Comparison29% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour
    Median delay13.0 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 00:03 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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  6. Escalation Observed

    SFO departure delays worsen: 71% late in the last hour

    What changed: late share 48% → 71%

    Of 35 departures that took off between 5:06 PM and 6:06 PM PDT, 25 left at least 15 minutes late. SFO typically sees 31% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window5:06 PM–6:06 PM PDT
    Sample35 flights, 25 late (71%)
    Comparison31% typical · US DOT on-time data, last 12 published months, departures in the 5 PM hour
    Median delay33.0 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 01:06 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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  7. De-escalation Observed

    SFO departure delays ease: 45% late in the last hour, still above normal

    What changed: late share 71% → 45%

    Of 22 departures that took off between 8:47 PM and 9:47 PM PDT, 10 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.

    Evidence for this update
    Measurement window8:47 PM–9:47 PM PDT
    Sample22 flights, 10 late (45%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay11.0 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 04:47 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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  8. Escalation Observed

    SFO departure delays worsen: 78% late in the last hour

    What changed: late share 45% → 78%

    Of 23 departures that took off between 10:02 PM and 11:02 PM PDT, 18 left at least 15 minutes late. SFO typically sees 30% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window10:02 PM–11:02 PM PDT
    Sample23 flights, 18 late (78%)
    Comparison30% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour
    Median delay49.0 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 06:02 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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  9. De-escalation Observed

    SFO departure delays ease: 62% late in the last hour, still above normal

    What changed: late share 78% → 62%

    Of 21 departures that took off between 10:49 PM and 11:49 PM PDT, 13 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.

    Evidence for this update
    Measurement window10:49 PM–11:49 PM PDT
    Sample21 flights, 13 late (62%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 11 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 (2026-10-23 06:49 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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  10. Escalation Observed

    SFO departure delays worsen: 68% late in the last hour

    What changed: late share 62% → 68%

    Of 31 departures that took off between 11:58 PM and 12:58 AM PDT, 21 left at least 15 minutes late. SFO typically sees 22% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 12 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window11:58 PM–12:58 AM PDT
    Sample31 flights, 21 late (68%)
    Comparison22% typical · US DOT on-time data, last 12 published months, departures in the 12 AM hour
    Median delay35.0 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 07:58 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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  11. Recovery Observed

    SFO departures back near normal: 9% late in the last hour

    What changed: late share 84% at worst → 9% now

    Of 23 departures that took off between 5:44 AM and 6:44 AM PDT, 2 left at least 15 minutes late. SFO typically sees 6% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 AM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 16% for 31 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window5:44 AM–6:44 AM PDT
    Sample23 flights, 2 late (9%)
    Comparison6% typical · US DOT on-time data, last 12 published months, departures in the 6 AM hour
    Median delay-2.0 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 13:44 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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