BWI departure delays worsen: 79% late in the last hour
- Current state
- Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
- Started
- Latest activity
- Updates
- 6
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
BWI departures running late: 48% left 15+ min late in the last hour
Of 25 departures that took off between 8:36 AM and 9:36 AM EDT, 12 left at least 15 minutes late. BWI typically sees 17% 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 8:36 AM–9:36 AM EDT Sample 25 flights, 12 late (48%) Comparison 17% typical · US DOT on-time data, last 12 published months, departures in the 9 AM 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 (2026-10-22 13:36 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
BWI departure delays worsen: 72% late in the last hour
What changed: late share 48% → 72%
Of 18 departures that took off between 3:48 PM and 4:48 PM EDT, 13 left at least 15 minutes late. BWI typically sees 33% 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 3:48 PM–4:48 PM EDT Sample 18 flights, 13 late (72%) Comparison 33% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour Median delay 31.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-22 20:48 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? -
De-escalation Observed
BWI departure delays ease: 69% late in the last hour, still above normal
What changed: late share 72% → 69%
Of 16 departures that took off between 5:49 PM and 6:49 PM EDT, 11 left at least 15 minutes late. BWI typically sees 35% 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 5:49 PM–6:49 PM EDT Sample 16 flights, 11 late (69%) Comparison 35% typical · US DOT on-time data, last 12 published months, departures in the 6 PM hour Median delay 31.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-22 22:49 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
BWI departure delays worsen: 72% late in the last hour
What changed: late share 69% → 72%
Of 18 departures that took off between 6:10 PM and 7:10 PM EDT, 13 left at least 15 minutes late. BWI typically sees 35% 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 6:10 PM–7:10 PM EDT Sample 18 flights, 13 late (72%) Comparison 35% typical · US DOT on-time data, last 12 published months, departures in the 6 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 (2026-10-22 23:10 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? -
De-escalation Observed
BWI departure delays ease: 59% late in the last hour, still above normal
What changed: late share 72% → 59%
Of 17 departures that took off between 6:30 PM and 7:30 PM EDT, 10 left at least 15 minutes late. BWI typically sees 38% 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 6:30 PM–7:30 PM EDT Sample 17 flights, 10 late (59%) Comparison 38% typical · US DOT on-time data, last 12 published months, departures in the 7 PM 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 (2026-10-22 23:30 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
BWI departure delays worsen: 79% late in the last hour
What changed: late share 59% → 79%
Of 14 departures that took off between 8:25 PM and 9:25 PM EDT, 11 left at least 15 minutes late. BWI typically sees 41% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 8:25 PM–9:25 PM EDT Sample 14 flights, 11 late (79%) Comparison 41% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour Median delay 46.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-23 01:25 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?
Closed Fri Oct 23, 5:30 AM EDT: No usable measurement for 6 h; closed without a recovery report.