tailodds FORECAST
Partly stale · checked FAA NAS status 222 h staleForecast cycle 1 hLightning 222 h staleWeather observations no data staleFAA surface data 3 minFAA flight data 3 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 SLC departures

Salt Lake City departures back near normal: 0% late in the last hour

Current state
Resolved at 10:29 AM MST
Started
Latest activity
Updates
2
Create monitor View SLCFlights at SLC

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

    Salt Lake City departures running late: 50% left 15+ min late in the last hour

    Of 12 departures that took off between 8:30 AM and 9:30 AM MST, 6 left at least 15 minutes late. Salt Lake City typically sees 11% 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 window8:30 AM–9:30 AM MST
    Sample12 flights, 6 late (50%)
    Comparison11% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay15.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-03 16:30 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. Recovery Observed

    Salt Lake City departures back near normal: 0% late in the last hour

    What changed: late share 50% at worst → 0% now

    Of 24 departures that took off between 9:29 AM and 10:29 AM MST, 0 left at least 15 minutes late. Salt Lake City typically sees 11% 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. The late share has stayed at or below 21% for 31 minutes across 15 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window9:29 AM–10:29 AM MST
    Sample24 flights, 0 late (0%)
    Comparison11% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay-5.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-03 17:29 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?