SFO departures back near normal: 25% late in the last hour
- Current state
- Resolved at 7:34 PM PDT
- Started
- Latest activity
- Updates
- 8
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
SFO departures running late: 63% left 15+ min late in the last hour
Of 30 departures that took off between 11:20 AM and 12:20 PM PDT, 19 left at least 15 minutes late. SFO typically sees 28% 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 11:20 AM–12:20 PM PDT Sample 30 flights, 19 late (63%) Comparison 28% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour Median delay 25.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-19 19:20 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
SFO departure delays worsen: 73% late in the last hour
What changed: late share 63% → 73%
Of 33 departures that took off between 12:56 PM and 1:56 PM PDT, 24 left at least 15 minutes late. SFO typically sees 29% 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.
Evidence for this update
Measurement window 12:56 PM–1:56 PM PDT Sample 33 flights, 24 late (73%) Comparison 29% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour Median delay 41.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-19 20:56 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
SFO departure delays ease: 58% late in the last hour, still above normal
What changed: late share 73% → 58%
Of 31 departures that took off between 1:37 PM and 2:37 PM PDT, 18 left at least 15 minutes late. SFO typically sees 32% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 2 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 1:37 PM–2:37 PM PDT Sample 31 flights, 18 late (58%) Comparison 32% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour Median delay 17.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-19 21:37 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
SFO departure delays worsen: 69% late in the last hour
What changed: late share 58% → 69%
Of 36 departures that took off between 2:22 PM and 3:22 PM PDT, 25 left at least 15 minutes late. SFO typically sees 32% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 2 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 2:22 PM–3:22 PM PDT Sample 36 flights, 25 late (69%) Comparison 32% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour Median delay 35.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-19 22:22 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? -
De-escalation Observed
SFO departure delays ease: 42% late in the last hour, still above normal
What changed: late share 69% → 42%
Of 24 departures that took off between 3:52 PM and 4:52 PM PDT, 10 left at least 15 minutes late. SFO typically sees 29% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 4 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 3:52 PM–4:52 PM PDT Sample 24 flights, 10 late (42%) Comparison 29% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour Median delay 5.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-19 23:52 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
SFO departure delays worsen: 73% late in the last hour
What changed: late share 42% → 73%
Of 33 departures that took off between 5:12 PM and 6:12 PM PDT, 24 left at least 15 minutes late. SFO typically sees 31% 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 5:12 PM–6:12 PM PDT Sample 33 flights, 24 late (73%) Comparison 31% typical · US DOT on-time data, last 12 published months, departures in the 5 PM hour Median delay 24.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-20 01:12 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
SFO departure delays ease: 48% late in the last hour, still above normal
What changed: late share 73% → 48%
Of 21 departures that took off between 5:53 PM and 6:53 PM PDT, 10 left at least 15 minutes late. SFO typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 5:53 PM–6:53 PM PDT Sample 21 flights, 10 late (48%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 6 PM hour Median delay 10.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-20 01:53 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
SFO departures back near normal: 25% late in the last hour
What changed: late share 85% at worst → 25% now
Of 32 departures that took off between 6:34 PM and 7:34 PM PDT, 8 left at least 15 minutes late. SFO typically sees 25% 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. 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 6:34 PM–7:34 PM PDT Sample 32 flights, 8 late (25%) Comparison 25% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 2.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-20 02:34 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?