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Observed Significant Resolved Slow taxi-in ORD arrivals

O'Hare arrivals back to usual taxi-in times: 7% took 21+ min

Current state
Resolved at 10:25 AM CST
Started
Latest activity
Updates
4
Create monitor View ORDFlights at ORD

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Updates oldest first

  1. Initial Observed

    O'Hare arrivals slow to reach the ramp: 49% took 21+ min after landing

    Of 81 aircraft that landed at O'Hare (ORD) between 6:47 AM and 7:47 AM CST and have reached the ramp, 40 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 10.6 minutes; the median was 20.5 minutes. Usually 13% take that long (this airport, the last 7 days). Measured by Tailodds from FAA surface surveillance; it does not show why.

    Evidence for this update
    Landings6:47 AM–7:47 AM CST · 81 reached the ramp
    Slow to the ramp40 (49%) took 21+ min from touchdown
    Comparison13% usually · typical taxi-in 10.6 min · this airport, the last 7 days
    Median this window20.5 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-11-12 14:02 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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  2. Escalation Observed

    O'Hare arrivals slower to reach the ramp: 55% took 21+ min after landing

    What changed: slow share 49% → 55%

    Of 62 aircraft that landed at O'Hare (ORD) between 7:07 AM and 8:07 AM CST and have reached the ramp, 34 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 10.6 minutes; the median was 23.1 minutes. Usually 13% take that long (this airport, the last 7 days). Measured by Tailodds from FAA surface surveillance; it does not show why.

    Evidence for this update
    Landings7:07 AM–8:07 AM CST · 62 reached the ramp
    Slow to the ramp34 (55%) took 21+ min from touchdown
    Comparison13% usually · typical taxi-in 10.6 min · this airport, the last 7 days
    Median this window23.1 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-11-12 14:22 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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  3. De-escalation Observed

    O'Hare arrivals reaching the ramp a little faster: 21% took 21+ min, still above normal

    What changed: slow share 55% → 21%

    Of 47 aircraft that landed at O'Hare (ORD) between 7:28 AM and 8:28 AM CST and have reached the ramp, 10 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 10.6 minutes; the median was 14.9 minutes. Usually 13% take that long (this airport, the last 7 days). Measured by Tailodds from FAA surface surveillance; it does not show why.

    Evidence for this update
    Landings7:28 AM–8:28 AM CST · 47 reached the ramp
    Slow to the ramp10 (21%) took 21+ min from touchdown
    Comparison13% usually · typical taxi-in 10.6 min · this airport, the last 7 days
    Median this window14.9 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-11-12 14:43 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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  4. Recovery Observed

    O'Hare arrivals back to usual taxi-in times: 7% took 21+ min

    What changed: slow share 55% at worst → 7% now

    Of 59 aircraft that landed at O'Hare (ORD) between 9:10 AM and 10:10 AM CST and have reached the ramp, 4 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 10.6 minutes; the median was 11.9 minutes. Usually 13% take that long (this airport, the last 7 days). Measured by Tailodds from FAA surface surveillance; it does not show why. The slow share has stayed at or below 20% for 31 minutes across 16 checks, each with at least 10 landings and current data.

    Evidence for this update
    Landings9:10 AM–10:10 AM CST · 59 reached the ramp
    Slow to the ramp4 (7%) took 21+ min from touchdown
    Comparison13% usually · typical taxi-in 10.6 min · this airport, the last 7 days
    Median this window11.9 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-11-12 16:25 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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