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Of 13 departures that took off between 6:00 AM and 7:00 AM PST, 0 left at least 15 minutes late. Seattle typically sees 7% 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 17% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 20 arrivals that landed between 5:44 AM and 6:44 AM PST, 4 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 31% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 4:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of the 17 departures scheduled from Seattle (SEA) between 11:08 PM and 12:38 AM PST, FAA flight plans name the aircraft for 14. For 1 of those, the aircraft’s previous flight into SEA 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.

Of 33 departures that took off between 5:41 PM and 6:41 PM PST, 4 left at least 15 minutes late. Seattle typically sees 24% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 34 departures that took off between 1:22 PM and 2:22 PM PST, 5 left at least 15 minutes late. Seattle 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 31 arrivals that landed between 11:44 AM and 12:44 PM PST, 6 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 24 arrivals that landed between 4:04 PM and 5:04 PM PST, 6 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 29 arrivals that landed between 11:46 AM and 12:46 PM PST, 7 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 24 departures that took off between 10:31 PM and 11:31 PM PST, 2 left at least 15 minutes late. Seattle typically sees 20% 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. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.

Of 29 departures that took off between 8:03 PM and 9:03 PM PST, 6 left at least 15 minutes late. Seattle typically sees 26% 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. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.

Of 23 departures that took off between 5:34 PM and 6:34 PM PST, 3 left at least 15 minutes late. Seattle typically sees 24% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Tailodds’ model gives the 69 departures scheduled from Seattle 6–9 PM Tuesday an average 31% chance of leaving 15+ minutes late. With calm weather the same flights would average 18%. From the 2:00 PM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of 31 departures that took off between 1:14 PM and 2:14 PM PST, 5 left at least 15 minutes late. Seattle 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 14 departures that took off between 6:10 AM and 7:10 AM PST, 1 left at least 15 minutes late. Seattle typically sees 7% 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 17% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 15 arrivals that landed between 5:31 AM and 6:31 AM PST, 1 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Tuesday an average 26% chance of leaving 15+ minutes late. With calm weather the same flights would average 16%. From the 4:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Tailodds’ model gives the 119 departures scheduled from Seattle 9 AM–noon Tuesday an average 22% chance of leaving 15+ minutes late. With calm weather the same flights would average 15%. From the 4:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of 26 departures that took off between 5:36 PM and 6:36 PM PST, 3 left at least 15 minutes late. Seattle typically sees 24% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 21 arrivals that landed between 3:50 PM and 4:50 PM PST, 6 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 32 minutes across 16 checks, each with at least 12 flights and current data.

Of 26 arrivals that landed between 11:23 AM and 12:23 PM PST, 4 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of 16 arrivals that landed between 5:32 AM and 6:32 AM PST, 0 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle 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 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.

Of the 42 departures scheduled from Seattle (SEA) between 6:07 AM and 7:37 AM PST, FAA flight plans name the aircraft for 14. For 0 of those, the aircraft’s previous flight into SEA 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 32 minutes across 16 checks, each with current data.