Seattle departures back near normal: 16% late in the last hour
- Current state
- Resolved at 2:14 PM PST
- Started
- Latest activity
- Updates
- 4
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: 54% left 15+ min late in the last hour
Of 28 departures that took off between 9:05 AM and 10:05 AM PST, 15 left at least 15 minutes late. Seattle typically sees 15% 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 window 9:05 AM–10:05 AM PST Sample 28 flights, 15 late (54%) Comparison 15% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour Median delay 19.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-10 18:05 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? -
Escalation Observed
Seattle departure delays worsen: 73% late in the last hour
What changed: late share 54% → 73%
Of 30 departures that took off between 9:26 AM and 10:26 AM PST, 22 left at least 15 minutes late. Seattle typically sees 15% 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 window 9:26 AM–10:26 AM PST Sample 30 flights, 22 late (73%) Comparison 15% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour Median delay 20.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-10 18:26 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: 55% late in the last hour, still above normal
What changed: late share 73% → 55%
Of 40 departures that took off between 11:24 AM and 12:24 PM PST, 22 left at least 15 minutes late. Seattle typically sees 25% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 AM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 11:24 AM–12:24 PM PST Sample 40 flights, 22 late (55%) Comparison 25% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour Median delay 16.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-10 20:24 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: 16% late in the last hour
What changed: late share 89% at worst → 16% now
Of 31 departures that took off between 1:14 PM and 2:14 PM PST, 5 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 1 PM hour). 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 window 1:14 PM–2:14 PM PST Sample 31 flights, 5 late (16%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 1 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 (2026-11-10 22:14 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?