Sourced developments at US airports: what the FAA reports at every airport, and what we measure and our model forecasts at the busiest ones.
Airline analyst: Every MVP detector is airport-wide, so a carrier view would only repeat the airport feed.
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The ground stop for flights to Las Vegas (LAS) no longer appears in the FAA’s airport status as of 1:00 PM PST, in 3 consecutive successful checks. It was first listed at 12:52 PM PST.
The FAA issued this advisory: “EVENT TIME: 13/2053 - 14/0400 DUE TO EXTRAORDINARY CIRCUMSTANCES AND FOR REASONS OF SAFETY. ATTENTION ALL AIRCRAFT OPERATORS, BY ORDER OF THE FEDERAL AVIATION COMMAND CENTER ALL AIRPORTS ARE GROUND STOPPED. ALL DEPARTING TRAFFIC SHOULD REMAIN GROUND STOPPED UNTIL FURTHER NOTICE. INBOUND INTERNATIONAL FLIGHTS WILL BE MANAGED ON A CASE BY CASE BASIS.” This is an advisory bulletin; its text defines the affected flights and time period.
The FAA issued this advisory: “EVENT TIME: 13/2030 - 14/0500 THE ATCSCC HAS ACTIVATED THE DIVERSION RECOVERY TOOL FOR ALL AIRPORTS. CUSTOMERS SHOULD ENSURE THAT DVRSN IS INCLUDED IN FLIGHT PLAN REMARKS OF DIVERTED AIRCRAFT. NOTE THAT IF THERE IS A GROUND DELAY PROGRAM OR GROUND STOP IN EFFECT FOR THE DESTINATION AIRPORT DIVERTED FLIGHTS ARE NOT AUTOMATICALLY EXEMPT AND WILL STILL RECEIVE AN EDCT. UNLESS OTHERWISE NOTIFIED, DIVERSION RECOVERY WILL CLOSE AT THE END OF THE EVENT TIME SPECIFIED IN THIS ADVISORY.” This is an advisory bulletin; its text defines the affected flights and time period.
Tailodds’ model gives the 58 departures scheduled from Las Vegas 9 PM–midnight Friday an average 58% chance of leaving 15+ minutes late. With calm weather the same flights would average 41%. From the 12:00 PM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
The FAA’s airport status reports departure delays of 16–30 min at Las Vegas (LAS), citing “EQ:FAA”. The FAA describes the trend as “Increasing”.
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The FAA’s airport status lists a ground stop for flights bound for Las Vegas (LAS), citing “wind”. Flights to LAS are held at their departure airports until 1:00 PM PST. The FAA lists the chance of an extension as “MEDIUM”.
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Of 23 departures that took off between 11:27 AM and 12:27 PM PST, 6 left at least 15 minutes late. Las Vegas typically sees 22% 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.
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Of 29 departures that took off between 10:07 AM and 11:07 AM PST, 12 left at least 15 minutes late. Las Vegas typically sees 19% 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.
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Tailodds’ model gives the 114 departures scheduled from Las Vegas noon–3 PM Friday an average 44% chance of leaving 15+ minutes late. With calm weather the same flights would average 42%. From the 10:00 AM PST 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.
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Of 25 arrivals that landed between 6:04 AM and 7:04 AM PST, 0 reached the gate at least 15 minutes late. Typically 21% of arrivals at Las Vegas 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.
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Tailodds’ model gives the 107 departures scheduled from Las Vegas 9 AM–noon Friday an average 31% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 3:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
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Tailodds’ model gives the 107 departures scheduled from Las Vegas 9 AM–noon Friday an average 42% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 2:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
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Of 14 arrivals that landed between 11:33 PM and 12:33 AM PST, 7 reached the gate at least 15 minutes late. Typically 21% of arrivals at Las Vegas arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
Tailodds’ model gives the 62 departures scheduled from Las Vegas 6–9 PM Friday an average 57% chance of leaving 15+ minutes late. With calm weather the same flights would average 40%. From the 11:00 PM PST forecast (model famA-fc-v3). This is a forecast, not a report of delays.
Tailodds’ model gives the 103 departures scheduled from Las Vegas 3–6 PM Friday an average 57% chance of leaving 15+ minutes late. With calm weather the same flights would average 38%. From the 11:00 PM PST forecast (model famA-fc-v3). This is a forecast, not a report of delays.
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Tailodds’ model gives the 114 departures scheduled from Las Vegas noon–3 PM Friday an average 50% chance of leaving 15+ minutes late. With calm weather the same flights would average 32%. From the 11:00 PM PST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.
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Of the 19 departures scheduled from Las Vegas (LAS) between 11:06 PM and 12:36 AM PST, FAA flight plans name the aircraft for 15. For 0 of those, the aircraft’s previous flight into LAS is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 0 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late. The tight share has stayed at or below 12% for 31 minutes across 16 checks, each with current data.
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Tailodds’ model gives the 58 departures scheduled from Las Vegas 9 PM–midnight Thursday an average 55% chance of leaving 15+ minutes late. With calm weather the same flights would average 49%. From the 8:00 PM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
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Tailodds’ model gives the 58 departures scheduled from Las Vegas 9 PM–midnight Thursday an average 58% chance of leaving 15+ minutes late. With calm weather the same flights would average 43%. From the 5:00 PM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
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Of the 48 departures scheduled from Las Vegas (LAS) between 4:50 PM and 6:20 PM PST, FAA flight plans name the aircraft for 40. For 12 of those, the aircraft’s previous flight into LAS is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 0 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late.
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Of 30 departures that took off between 10:16 AM and 11:16 AM PST, 3 left at least 15 minutes late. Las Vegas typically sees 19% 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. The late share has stayed at or below 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.
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Of 49 departures that took off between 9:20 AM and 10:20 AM PST, 25 left at least 15 minutes late. Las Vegas typically sees 16% 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.
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Of 38 departures that took off between 9:00 AM and 10:00 AM PST, 24 left at least 15 minutes late. Las Vegas typically sees 16% 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.
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Of 27 departures that took off between 8:37 AM and 9:37 AM PST, 13 left at least 15 minutes late. Las Vegas typically sees 16% 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.
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Of 27 departures that took off between 5:49 AM and 6:49 AM PST, 0 left at least 15 minutes late. Las Vegas typically sees 6% 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 16% for 31 minutes across 16 checks, each with at least 12 flights and current data.
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