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Observed Major Resolved Delay SLC departures

Salt Lake City departure delays worsen: 68% 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: Sat Nov 14, 10:56 AM MST
Latest activity: Sat Nov 14, 10:20 PM MST
Updates: 8

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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

Initial Observed Sat Nov 14, 10:56 AM MST

Salt Lake City departures running late: 50% left 15+ min late in the last hour

Of 14 departures that took off between 9:56 AM and 10:56 AM MST, 7 left at least 15 minutes late. Salt Lake City typically sees 11% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

Evidence for this update

Measurement window	9:56 AM–10:56 AM MST
Sample	14 flights, 7 late (50%)
Comparison	11% typical · US DOT on-time data, last 12 published months, departures in the 10 AM 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	Sat Nov 14, 10:56 AM MST
Ingested	Sat Nov 14, 10:56 AM MST
Published here	Sat Nov 14, 10:56 AM MST (2026-11-14 17:56 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

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Escalation Observed Sat Nov 14, 12:57 PM MST

Salt Lake City departure delays worsen: 85% late in the last hour

What changed: late share 50% → 85%

Of 13 departures that took off between 11:57 AM and 12:57 PM MST, 11 left at least 15 minutes late. Salt Lake City typically sees 18% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 12 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

Evidence for this update

Measurement window	11:57 AM–12:57 PM MST
Sample	13 flights, 11 late (85%)
Comparison	18% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
Median delay	59.0 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 12:57 PM MST
Ingested	Sat Nov 14, 12:57 PM MST
Published here	Sat Nov 14, 12:57 PM MST (2026-11-14 19:57 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

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De-escalation Observed Sat Nov 14, 2:30 PM MST

Salt Lake City departure delays ease: 58% late in the last hour, still above normal

What changed: late share 85% → 58%

Of 12 departures that took off between 1:30 PM and 2:30 PM MST, 7 left at least 15 minutes late. Salt Lake City typically sees 23% 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	1:30 PM–2:30 PM MST
Sample	12 flights, 7 late (58%)
Comparison	23% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
Median delay	60.5 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 2:30 PM MST
Ingested	Sat Nov 14, 2:30 PM MST
Published here	Sat Nov 14, 2:30 PM MST (2026-11-14 21:30 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

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Escalation Observed Sat Nov 14, 2:50 PM MST

Salt Lake City departure delays worsen: 69% late in the last hour

What changed: late share 58% → 69%

Of 13 departures that took off between 1:50 PM and 2:50 PM MST, 9 left at least 15 minutes late. Salt Lake City typically sees 23% 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	1:50 PM–2:50 PM MST
Sample	13 flights, 9 late (69%)
Comparison	23% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
Median delay	132.0 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 2:50 PM MST
Ingested	Sat Nov 14, 2:50 PM MST
Published here	Sat Nov 14, 2:50 PM MST (2026-11-14 21:50 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

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De-escalation Observed Sat Nov 14, 3:52 PM MST

Salt Lake City departure delays ease: 50% late in the last hour, still above normal

What changed: late share 69% → 50%

Of 20 departures that took off between 2:52 PM and 3:52 PM MST, 10 left at least 15 minutes late. Salt Lake City typically sees 16% 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	2:52 PM–3:52 PM MST
Sample	20 flights, 10 late (50%)
Comparison	16% typical · US DOT on-time data, last 12 published months, departures in the 3 PM hour
Median delay	16.0 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 3:52 PM MST
Ingested	Sat Nov 14, 3:52 PM MST
Published here	Sat Nov 14, 3:52 PM MST (2026-11-14 22:52 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

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Escalation Observed Sat Nov 14, 5:28 PM MST

Salt Lake City departure delays worsen: 77% late in the last hour

What changed: late share 50% → 77%

Of 13 departures that took off between 4:28 PM and 5:28 PM MST, 10 left at least 15 minutes late. Salt Lake City typically sees 22% 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	4:28 PM–5:28 PM MST
Sample	13 flights, 10 late (77%)
Comparison	22% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour
Median delay	74.0 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 5:28 PM MST
Ingested	Sat Nov 14, 5:28 PM MST
Published here	Sat Nov 14, 5:28 PM MST (2026-11-15 00:28 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

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De-escalation Observed Sat Nov 14, 9:17 PM MST

Salt Lake City departure delays ease: 47% late in the last hour, still above normal

What changed: late share 77% → 47%

Of 15 departures that took off between 8:17 PM and 9:17 PM MST, 7 left at least 15 minutes late. Salt Lake City typically sees 18% 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	8:17 PM–9:17 PM MST
Sample	15 flights, 7 late (47%)
Comparison	18% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour
Median delay	14.0 min
Method	FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
Source event time	Sat Nov 14, 9:17 PM MST
Ingested	Sat Nov 14, 9:17 PM MST
Published here	Sat Nov 14, 9:17 PM MST (2026-11-15 04:17 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

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Escalation Observed Sat Nov 14, 10:20 PM MST