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Observed Significant Resolved Slow taxi-in ORD arrivals

O'Hare arrivals back to usual taxi-in times: 13% took 21+ min

Current state
Resolved at 11:08 AM 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: 39% took 21+ min after landing

    Of 64 aircraft that landed at O'Hare (ORD) between 8:02 AM and 9:02 AM CDT and have reached the ramp, 25 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.4 minutes; the median was 19.8 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
    Landings8:02 AM–9:02 AM CDT · 64 reached the ramp
    Slow to the ramp25 (39%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.4 min · this airport, the last 7 days
    Median this window19.8 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 14:17 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: 51% took 21+ min after landing

    What changed: slow share 39% → 51%

    Of 63 aircraft that landed at O'Hare (ORD) between 8:41 AM and 9:41 AM CDT and have reached the ramp, 32 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.4 minutes; the median was 21.6 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
    Landings8:41 AM–9:41 AM CDT · 63 reached the ramp
    Slow to the ramp32 (51%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.4 min · this airport, the last 7 days
    Median this window21.6 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 14:56 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: 40% took 21+ min, still above normal

    What changed: slow share 51% → 40%

    Of 52 aircraft that landed at O'Hare (ORD) between 9:01 AM and 10:01 AM CDT and have reached the ramp, 21 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.4 minutes; the median was 19.4 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
    Landings9:01 AM–10:01 AM CDT · 52 reached the ramp
    Slow to the ramp21 (40%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.4 min · this airport, the last 7 days
    Median this window19.4 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 15:16 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: 13% took 21+ min

    What changed: slow share 52% at worst → 13% now

    Of 54 aircraft that landed at O'Hare (ORD) between 9:52 AM and 10:52 AM CDT and have reached the ramp, 7 took 21 minutes or more from touchdown, at least 10 minutes over the airport’s typical 11.4 minutes; the median was 16.2 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
    Landings9:52 AM–10:52 AM CDT · 54 reached the ramp
    Slow to the ramp7 (13%) took 21+ min from touchdown
    Comparison14% usually · typical taxi-in 11.4 min · this airport, the last 7 days
    Median this window16.2 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 16:08 UTC)
    SourcesTailodds measurement of FAA surface surveillance
    Provenancetaxi_in taxi-in-v1 · config 2026-10-17.1 · writer template-v1
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