Seattle departures back near normal: 21% late in the last hour
- Current state
- Resolved at 9:03 PM PST
- Started
- Latest activity
- Updates
- 3
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
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Initial Observed
Seattle departures running late: 63% left 15+ min late in the last hour
Of 19 departures that took off between 6:45 PM and 7:45 PM PST, 12 left at least 15 minutes late. Seattle typically sees 22% 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 window 6:45 PM–7:45 PM PST Sample 19 flights, 12 late (63%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 18.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-11 03:45 UTC) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
De-escalation Observed
Seattle departure delays ease: 53% late in the last hour, still above normal
What changed: late share 63% → 53%
Of 19 departures that took off between 7:06 PM and 8:06 PM PST, 10 left at least 15 minutes late. Seattle typically sees 22% 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 window 7:06 PM–8:06 PM PST Sample 19 flights, 10 late (53%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 15.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-11 04:06 UTC) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
Recovery Observed
Seattle departures back near normal: 21% late in the last hour
What changed: late share 63% at worst → 21% now
Of 29 departures that took off between 8:03 PM and 9:03 PM PST, 6 left at least 15 minutes late. Seattle typically sees 26% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.
Evidence for this update
Measurement window 8:03 PM–9:03 PM PST Sample 29 flights, 6 late (21%) Comparison 26% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour Median delay 0.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-11 05:03 UTC) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful?