Seattle departures back near normal: 20% late in the last hour
- Current state
- Resolved at 11:48 PM PST
- Started
- Latest activity
- Updates
- 5
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: 60% left 15+ min late in the last hour
Of 25 departures that took off between 2:55 PM and 3:55 PM PST, 15 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 3 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 2:55 PM–3:55 PM PST Sample 25 flights, 15 late (60%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 3 PM 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 (2026-11-06 23:55 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: 40% late in the last hour, still above normal
What changed: late share 60% → 40%
Of 30 departures that took off between 3:22 PM and 4:22 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 3 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 3:22 PM–4:22 PM PST Sample 30 flights, 12 late (40%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 3 PM hour Median delay 12.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 00:22 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: 62% late in the last hour
What changed: late share 40% → 62%
Of 34 departures that took off between 4:31 PM and 5:31 PM PST, 21 left at least 15 minutes late. Seattle typically sees 23% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 4:31 PM–5:31 PM PST Sample 34 flights, 21 late (62%) Comparison 23% typical · US DOT on-time data, last 12 published months, departures in the 5 PM hour Median delay 28.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 01:31 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: 54% late in the last hour, still above normal
What changed: late share 62% → 54%
Of 28 departures that took off between 5:00 PM and 6:00 PM PST, 15 left at least 15 minutes late. Seattle typically sees 23% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 5:00 PM–6:00 PM PST Sample 28 flights, 15 late (54%) Comparison 23% typical · US DOT on-time data, last 12 published months, departures in the 5 PM 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 (2026-11-07 02:00 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: 20% late in the last hour
What changed: late share 67% at worst → 20% now
Of 25 departures that took off between 10:48 PM and 11:48 PM PST, 5 left at least 15 minutes late. Seattle typically sees 20% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 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 10:48 PM–11:48 PM PST Sample 25 flights, 5 late (20%) Comparison 20% typical · US DOT on-time data, last 12 published months, departures in the 11 PM hour Median delay -1.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 07:48 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?