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Sourced developments at US airports: what the FAA reports at every airport, and what we measure and our model forecasts at the busiest ones.

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News desk major developments and corrections Airport operations restrictions, deterioration, recovery
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Type: Delay ×Airport: PHX × Clear filters
MST, Nov 13 3 h ago
Observed Significant New Delay PHX arrivals

Phoenix arrivals running late: 47% reached the gate 15+ min late in the last hour

Of 19 arrivals that landed between 11:30 PM and 12:30 AM MST, 9 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Window 11:30 PM–12:30 AM MSTSample 19 flightsLate 47%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 13 3 h ago
Observed Significant New Delay PHX departures

Phoenix departures running late: 47% left 15+ min late in the last hour

Of 15 departures that took off between 11:14 PM and 12:14 AM MST, 7 left at least 15 minutes late. Phoenix typically sees 19% 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.

Window 11:14 PM–12:14 AM MSTSample 15 flightsLate 47%Typical 19%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 10 3 days ago
Observed Significant Resolved Delay PHX arrivals

Phoenix arrivals running late: 44% reached the gate 15+ min late in the last hour

Of 16 arrivals that landed between 11:53 PM and 12:53 AM MST, 7 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Window 11:53 PM–12:53 AM MSTSample 16 flightsLate 44%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 9 3 days ago
Observed Significant Resolved Delay PHX departures

Phoenix departures running late: 57% left 15+ min late in the last hour

Of 14 departures that took off between 9:17 PM and 10:17 PM MST, 8 left at least 15 minutes late. Phoenix typically sees 34% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 9 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

Window 9:17 PM–10:17 PM MSTSample 14 flightsLate 57%Typical 34%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 9 3 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 6% late in the last hour

What changed: late share 68% at worst → 6% now

Of 17 departures that took off between 5:52 AM and 6:52 AM MST, 1 left at least 15 minutes late. Phoenix typically sees 5% 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 15% for 30 minutes across 15 checks, each with at least 12 flights and current data.

Window 5:52 AM–6:52 AM MSTSample 17 flightsLate 6%Typical 5%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 7 6 days ago
Observed Significant Resolved Delay PHX arrivals

Phoenix arrivals running late: 57% reached the gate 15+ min late in the last hour

Of 14 arrivals that landed between 11:56 PM and 12:56 AM MST, 8 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Window 11:56 PM–12:56 AM MSTSample 14 flightsLate 57%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 6 6 days ago
Observed Significant Resolved Delay PHX departures

Phoenix departures running late: 43% left 15+ min late in the last hour

Of 14 departures that took off between 10:55 PM and 11:55 PM MST, 6 left at least 15 minutes late. Phoenix typically sees 19% 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.

Window 10:55 PM–11:55 PM MSTSample 14 flightsLate 43%Typical 19%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 6 6 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 25% late in the last hour

What changed: late share 69% at worst → 25% now

Of 20 departures that took off between 10:15 PM and 11:15 PM MST, 5 left at least 15 minutes late. Phoenix typically sees 31% 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. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.

Window 10:15 PM–11:15 PM MSTSample 20 flightsLate 25%Typical 31%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (3) 2 earlier matching updates View PHX
MST, Nov 6 6 days ago
Observed Informational Resolved Recovery Delay PHX arrivals

Phoenix arrivals back near normal: 3% late in the last hour

What changed: late share 50% at worst → 3% now

Of 29 arrivals that landed between 6:21 AM and 7:21 AM MST, 1 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). 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.

Window 6:21 AM–7:21 AM MSTSample 29 flightsLate 3%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 6 6 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 6% late in the last hour

What changed: late share 50% at worst → 6% now

Of 16 departures that took off between 5:34 AM and 6:34 AM MST, 1 left at least 15 minutes late. Phoenix typically sees 5% 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 15% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 5:34 AM–6:34 AM MSTSample 16 flightsLate 6%Typical 5%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 5 7 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 19% late in the last hour

What changed: late share 47% at worst → 19% now

Of 48 departures that took off between 11:07 AM and 12:07 PM MST, 9 left at least 15 minutes late. Phoenix typically sees 21% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 11:07 AM–12:07 PM MSTSample 48 flightsLate 19%Typical 21%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 4 8 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 9% late in the last hour

What changed: late share 45% at worst → 9% now

Of 34 departures that took off between 12:30 PM and 1:30 PM MST, 3 left at least 15 minutes late. Phoenix typically sees 24% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 12:30 PM–1:30 PM MSTSample 34 flightsLate 9%Typical 24%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 3 10 days ago
Forecast 36% Informational Resolved Resolution Delay PHX departures

Model lowers Phoenix departure delay risk noon–3 PM Tuesday to 36%, near normal

What changed: 48% → 36%; calm-weather level 28%

Tailodds’ model gives the 172 departures scheduled from Phoenix noon–3 PM Tuesday an average 36% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 3:00 AM MST forecast (model famB-sd-v4i). The model changed since the previous item (from famA-fc-v3+famB-sd-v4i), so some or all of this change comes from the new model rather than new information. This is a forecast, not a report of delays.

Probability 36%Horizon 8.0 hModel famB-sd-v4iModel changed

Source: Tailodds forecast Timeline (2) 1 earlier matching update View PHX
MST, Nov 2 10 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 24% late in the last hour

What changed: late share 81% at worst → 24% now

Of 21 departures that took off between 10:24 PM and 11:24 PM MST, 5 left at least 15 minutes late. Phoenix typically sees 31% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 10:24 PM–11:24 PM MSTSample 21 flightsLate 24%Typical 31%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (4) 3 earlier matching updates View PHX
MST, Nov 2 10 days ago
Observed Significant Resolved Delay PHX arrivals

Phoenix arrivals running late: 42% reached the gate 15+ min late in the last hour

Of 19 arrivals that landed between 7:42 PM and 8:42 PM MST, 8 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Window 7:42 PM–8:42 PM MSTSample 19 flightsLate 42%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (1) View PHX
MST, Nov 2 10 days ago
Forecast 58% Significant Resolved Delay PHX departures

Model forecasts 58% delay risk for Phoenix departures 9 PM–midnight Monday

Tailodds’ model gives the 67 departures scheduled from Phoenix 9 PM–midnight Monday an average 58% chance of leaving 15+ minutes late. With calm weather the same flights would average 42%. From the 5:00 PM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Probability 58%Horizon 2.6 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (1) View PHX
MST, Nov 2 10 days ago
Forecast 55% Significant Resolved Delay PHX departures

Model forecasts 55% delay risk for Phoenix departures 3–6 PM Monday

Tailodds’ model gives the 182 departures scheduled from Phoenix 3–6 PM Monday an average 55% chance of leaving 15+ minutes late. With calm weather the same flights would average 37%. From the 11:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Probability 55%Horizon 2.6 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (1) View PHX
MST, Nov 2 10 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 17% late in the last hour

What changed: late share 50% at worst → 17% now

Of 46 departures that took off between 11:02 AM and 12:02 PM MST, 8 left at least 15 minutes late. Phoenix typically sees 21% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 11:02 AM–12:02 PM MSTSample 46 flightsLate 17%Typical 21%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (2) 1 earlier matching update View PHX
MST, Nov 2 10 days ago
Forecast 56% Significant Resolved Delay PHX departures

Model forecasts 56% delay risk for Phoenix departures 6–9 PM Monday

Tailodds’ model gives the 146 departures scheduled from Phoenix 6–9 PM Monday an average 56% chance of leaving 15+ minutes late. With calm weather the same flights would average 40%. From the 9:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Probability 56%Horizon 8.0 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (1) View PHX
MST, Nov 2 10 days ago
Observed Informational Resolved Recovery Delay PHX arrivals

Phoenix arrivals back near normal: 0% late in the last hour

What changed: late share 85% at worst → 0% now

Of 22 arrivals that landed between 6:15 AM and 7:15 AM MST, 0 reached the gate at least 15 minutes late. Typically 20% of arrivals at Phoenix arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 32 minutes across 16 checks, each with at least 12 flights and current data.

Window 6:15 AM–7:15 AM MSTSample 22 flightsLate 0%Typical 20%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (4) 3 earlier matching updates View PHX
MST, Nov 2 10 days ago
Forecast 39% Informational Resolved Resolution Delay PHX departures

Model lowers Phoenix departure delay risk noon–3 PM Monday to 39%, near normal

What changed: 48% → 39%; calm-weather level 32%

Tailodds’ model gives the 168 departures scheduled from Phoenix noon–3 PM Monday an average 39% chance of leaving 15+ minutes late. With calm weather the same flights would average 32%. From the 5:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Probability 39%Horizon 5.0 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (2) 1 earlier matching update View PHX
MST, Nov 2 10 days ago
Observed Informational Resolved Recovery Delay PHX departures

Phoenix departures back near normal: 0% late in the last hour

What changed: late share 100% at worst → 0% now

Of 14 departures that took off between 5:54 AM and 6:54 AM MST, 0 left at least 15 minutes late. Phoenix typically sees 5% 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 15% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Window 5:54 AM–6:54 AM MSTSample 14 flightsLate 0%Typical 5%

Source: Tailodds measurement of FAA flight data against airline schedules Timeline (9) 8 earlier matching updates View PHX

Older items Each item is the latest update matching your filters; the event’s current status is on its chip. All updates shows the full chronological wire.

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We measured it from FAA flight data: window, sample size and the typical level are on the item.
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Our model predicts it, with its probability, target, horizon and model version. It has not happened. How accurate is it?

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