Seattle departures back near normal: 7% late in the last hour
- Current state
- Resolved at 7:10 AM 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: 58% left 15+ min late in the last hour
Of 24 departures that took off between 6:34 PM and 7:34 PM PST, 14 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 6:34 PM–7:34 PM PST Sample 24 flights, 14 late (58%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 32.0 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 03:34 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: 68% late in the last hour
What changed: late share 58% → 68%
Of 22 departures that took off between 9:55 PM and 10:55 PM PST, 15 left at least 15 minutes late. Seattle typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 9:55 PM–10:55 PM PST Sample 22 flights, 15 late (68%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour Median delay 38.0 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 06:55 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: 48% late in the last hour, still above normal
What changed: late share 68% → 48%
Of 23 departures that took off between 10:16 PM and 11:16 PM PST, 11 left at least 15 minutes late. Seattle typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 10:16 PM–11:16 PM PST Sample 23 flights, 11 late (48%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour Median delay 8.0 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 07:16 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: 75% late in the last hour
What changed: late share 48% → 75%
Of 24 departures that took off between 11:11 PM and 12:11 AM PST, 18 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.
Evidence for this update
Measurement window 11:11 PM–12:11 AM PST Sample 24 flights, 18 late (75%) Comparison 20% typical · US DOT on-time data, last 12 published months, departures in the 11 PM hour Median delay 29.0 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 08:11 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: 7% late in the last hour
What changed: late share 83% at worst → 7% now
Of 14 departures that took off between 6:10 AM and 7:10 AM PST, 1 left at least 15 minutes late. Seattle typically sees 7% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 AM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 17% for 31 minutes across 16 checks, each with at least 12 flights and current data.
Evidence for this update
Measurement window 6:10 AM–7:10 AM PST Sample 14 flights, 1 late (7%) Comparison 7% typical · US DOT on-time data, last 12 published months, departures in the 6 AM 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 (2026-11-10 15:10 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?