Partly stale · checked FAA NAS status 225 h staleForecast cycle 1 hLightning 225 h staleWeather observations no data staleFAA surface data 1 minFAA flight data 1 min

FAA NAS status is stale (225 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (225 h old). Lightning items are paused; thunderstorm items still come from official observations.

Weather observations is stale. Weather items are paused until it is fresh again; missing observations never end a weather event.

Observed Significant Resolved Delay MDW departures

Midway departure delays ease: 47% late in the last hour, still above normal

Current state
Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
Started
Latest activity
Updates
10
Create monitor View MDWFlights at MDW

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

    Midway departures running late: 60% left 15+ min late in the last hour

    Of 15 departures that took off between 8:19 AM and 9:19 AM CDT, 9 left at least 15 minutes late. Midway typically sees 12% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window8:19 AM–9:19 AM CDT
    Sample15 flights, 9 late (60%)
    Comparison12% typical · US DOT on-time data, last 12 published months, departures in the 8 AM 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 14:19 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  2. De-escalation Observed

    Midway departure delays ease: 37% late in the last hour, still above normal

    What changed: late share 60% → 37%

    Of 19 departures that took off between 9:10 AM and 10:10 AM CDT, 7 left at least 15 minutes late. Midway typically sees 16% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 9 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window9:10 AM–10:10 AM CDT
    Sample19 flights, 7 late (37%)
    Comparison16% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay6.0 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 15:10 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  3. Escalation Observed

    Midway departure delays worsen: 67% late in the last hour

    What changed: late share 37% → 67%

    Of 15 departures that took off between 10:18 AM and 11:18 AM CDT, 10 left at least 15 minutes late. Midway typically sees 16% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window10:18 AM–11:18 AM CDT
    Sample15 flights, 10 late (67%)
    Comparison16% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay30.0 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 16:18 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  4. De-escalation Observed

    Midway departure delays ease: 50% late in the last hour, still above normal

    What changed: late share 67% → 50%

    Of 16 departures that took off between 12:19 PM and 1:19 PM CDT, 8 left at least 15 minutes late. Midway typically sees 26% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 12 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window12:19 PM–1:19 PM CDT
    Sample16 flights, 8 late (50%)
    Comparison26% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
    Median delay16.0 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 18:19 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  5. Escalation Observed

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

    What changed: late share 50% → 71%

    Of 14 departures that took off between 1:16 PM and 2:16 PM CDT, 10 left at least 15 minutes late. Midway typically sees 24% 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 window1:16 PM–2:16 PM CDT
    Sample14 flights, 10 late (71%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay34.0 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 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
    Was this useful?
  6. De-escalation Observed

    Midway departure delays ease: 38% late in the last hour, still above normal

    What changed: late share 71% → 38%

    Of 13 departures that took off between 2:26 PM and 3:26 PM CDT, 5 left at least 15 minutes late. Midway typically sees 33% 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 window2:26 PM–3:26 PM CDT
    Sample13 flights, 5 late (38%)
    Comparison33% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
    Median delay4.0 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 20:26 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  7. Escalation Observed

    Midway departure delays worsen: 77% late in the last hour

    What changed: late share 38% → 77%

    Of 13 departures that took off between 3:50 PM and 4:50 PM CDT, 10 left at least 15 minutes late. Midway typically sees 36% 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 window3:50 PM–4:50 PM CDT
    Sample13 flights, 10 late (77%)
    Comparison36% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour
    Median delay27.0 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 21:50 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  8. De-escalation Observed

    Midway departure delays ease: 42% late in the last hour, still above normal

    What changed: late share 77% → 42%

    Of 19 departures that took off between 6:34 PM and 7:34 PM CDT, 8 left at least 15 minutes late. Midway typically sees 41% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window6:34 PM–7:34 PM CDT
    Sample19 flights, 8 late (42%)
    Comparison41% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay7.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-24 00:34 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  9. Escalation Observed

    Midway departure delays worsen: 83% late in the last hour

    What changed: late share 42% → 83%

    Of 12 departures that took off between 7:11 PM and 8:11 PM CDT, 10 left at least 15 minutes late. Midway typically sees 41% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window7:11 PM–8:11 PM CDT
    Sample12 flights, 10 late (83%)
    Comparison41% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay34.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-24 01:11 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  10. De-escalation Observed

    Midway departure delays ease: 47% late in the last hour, still above normal

    What changed: late share 83% → 47%

    Of 15 departures that took off between 8:51 PM and 9:51 PM CDT, 7 left at least 15 minutes late. Midway typically sees 51% 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 window8:51 PM–9:51 PM CDT
    Sample15 flights, 7 late (47%)
    Comparison51% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay12.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-24 02:51 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?

Closed Sat Oct 24, 5:19 AM CDT: No usable measurement for 6 h; closed without a recovery report.