tailodds FORECAST
Partly stale · checked FAA NAS status 222 h staleForecast cycle 68 minLightning 222 h staleWeather observations no data staleFAA surface data 6 minFAA flight data 7 min

FAA NAS status is stale (222 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (222 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 BOS arrivals

Boston arrivals back near normal: 4% late in the last hour

Current state
Resolved at 9:46 PM EST
Started
Latest activity
Updates
2
Create monitor View BOSFlights at BOS

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

    Boston arrivals running late: 57% reached the gate 15+ min late in the last hour

    Of 30 arrivals that landed between 7:43 PM and 8:43 PM EST, 17 reached the gate at least 15 minutes late. Typically 26% of arrivals at Boston arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window7:43 PM–8:43 PM EST
    Sample30 flights, 17 late (57%)
    Comparison26% typical · US DOT on-time data, last 12 published months, all arrivals
    Median delay32.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-11 01:43 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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  2. Recovery Observed

    Boston arrivals back near normal: 4% late in the last hour

    What changed: late share 57% at worst → 4% now

    Of 26 arrivals that landed between 8:46 PM and 9:46 PM EST, 1 reached the gate at least 15 minutes late. Typically 26% of arrivals at Boston arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window8:46 PM–9:46 PM EST
    Sample26 flights, 1 late (4%)
    Comparison26% typical · US DOT on-time data, last 12 published months, all arrivals
    Median delay-20.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-11 02:46 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?