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Observed Significant Resolved Slow taxi-in ORD arrivals

O'Hare arrivals back to usual taxi-in times: 6% took 21+ min

Current state
Resolved at 11:06 PM CDT
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: 35% took 21+ min after landing

    Of 81 aircraft that landed at O'Hare (ORD) between 6:25 PM and 7:25 PM CDT and have reached the ramp, 28 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.1 minutes; the median was 18.4 minutes. Usually 14% 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
    Landings6:25 PM–7:25 PM CDT · 81 reached the ramp
    Slow to the ramp28 (35%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.1 min · this airport, the last 7 days
    Median this window18.4 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-10-23 00:40 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: 52% took 21+ min after landing

    What changed: slow share 35% → 52%

    Of 61 aircraft that landed at O'Hare (ORD) between 7:49 PM and 8:49 PM CDT and have reached the ramp, 32 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.2 minutes; the median was 21.9 minutes. Usually 14% 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
    Landings7:49 PM–8:49 PM CDT · 61 reached the ramp
    Slow to the ramp32 (52%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.2 min · this airport, the last 7 days
    Median this window21.9 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-10-23 02:04 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: 44% took 21+ min, still above normal

    What changed: slow share 52% → 44%

    Of 48 aircraft that landed at O'Hare (ORD) between 8:11 PM and 9:11 PM CDT and have reached the ramp, 21 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.2 minutes; the median was 20 minutes. Usually 14% 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
    Landings8:11 PM–9:11 PM CDT · 48 reached the ramp
    Slow to the ramp21 (44%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.2 min · this airport, the last 7 days
    Median this window20.0 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-10-23 02:26 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: 6% took 21+ min

    What changed: slow share 54% at worst → 6% now

    Of 18 aircraft that landed at O'Hare (ORD) between 9:51 PM and 10:51 PM CDT and have reached the ramp, 1 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.2 minutes; the median was 9.5 minutes. Usually 14% 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
    Landings9:51 PM–10:51 PM CDT · 18 reached the ramp
    Slow to the ramp1 (6%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.2 min · this airport, the last 7 days
    Median this window9.5 min
    MethodFAA surface surveillance (SWIM surface movement events): touchdown to the first ramp entry, same callsign
    Source event time
    Ingested
    Published here (2026-10-23 04:06 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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