Boston departure delays worsen: 84% late in the last hour
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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
Boston departures running late: 53% left 15+ min late in the last hour
Of 15 departures that took off between 1:24 PM and 2:24 PM EST, 8 left at least 15 minutes late. Boston 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.
Evidence for this update
Measurement window 1:24 PM–2:24 PM EST Sample 15 flights, 8 late (53%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 1 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 (2026-11-12 19:24 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? -
Escalation Observed
Boston departure delays worsen: 79% late in the last hour
What changed: late share 53% → 79%
Of 19 departures that took off between 4:06 PM and 5:06 PM EST, 15 left at least 15 minutes late. Boston typically sees 34% 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 4:06 PM–5:06 PM EST Sample 19 flights, 15 late (79%) Comparison 34% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour Median delay 44.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-12 22:06 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? -
De-escalation Observed
Boston departure delays ease: 65% late in the last hour, still above normal
What changed: late share 79% → 65%
Of 26 departures that took off between 5:12 PM and 6:12 PM EST, 17 left at least 15 minutes late. Boston typically sees 37% 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 EST Sample 26 flights, 17 late (65%) Comparison 37% typical · US DOT on-time data, last 12 published months, departures in the 5 PM hour Median delay 37.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-12 23:12 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? -
Escalation Observed
Boston departure delays worsen: 84% late in the last hour
What changed: late share 65% → 84%
Of 19 departures that took off between 9:34 PM and 10:34 PM EST, 16 left at least 15 minutes late. Boston typically sees 47% 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 9:34 PM–10:34 PM EST Sample 19 flights, 16 late (84%) Comparison 47% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour Median delay 90.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-13 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?