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Of the 15 departures scheduled from St Louis (STL) between 9:09 PM and 10:39 PM CST, FAA flight plans name the aircraft for 15. For 8 of those, the aircraft’s previous flight into STL 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.

Of 16 arrivals that landed between 6:58 PM and 7:58 PM CST, 8 reached the gate at least 15 minutes late. Typically 21% of arrivals at St Louis 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 15 departures scheduled from St Louis 9 PM–midnight Thursday an average 66% chance of leaving 15+ minutes late. With calm weather the same flights would average 48%. From the 4:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Tailodds’ model gives the 30 departures scheduled from St Louis 6–9 PM Thursday an average 59% chance of leaving 15+ minutes late. With calm weather the same flights would average 43%. From the 4:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Tailodds’ model gives the 32 departures scheduled from St Louis 3–6 PM Thursday an average 48% chance of leaving 15+ minutes late. With calm weather the same flights would average 29%. From the 1:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of the 25 departures scheduled from St Louis (STL) between 5:36 PM and 7:06 PM CST, FAA flight plans name the aircraft for 21. For 9 of those, the aircraft’s previous flight into STL 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.

Of 21 arrivals that landed between 8:46 PM and 9:46 PM CST, 9 reached the gate at least 15 minutes late. Typically 21% of arrivals at St Louis arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Of 17 departures that took off between 7:34 PM and 8:34 PM CST, 6 left at least 15 minutes late. St Louis typically sees 39% 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.

Tailodds’ model gives the 33 departures scheduled from St Louis 6–9 PM Monday an average 46% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 1:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of 14 arrivals that landed between 9:42 PM and 10:42 PM CST, 6 reached the gate at least 15 minutes late. Typically 21% of arrivals at St Louis arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Of 12 arrivals that landed between 10:55 PM and 11:55 PM CST, 5 reached the gate at least 15 minutes late. Typically 21% of arrivals at St Louis arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Of the 20 departures scheduled from St Louis (STL) between 7:09 PM and 8:39 PM CST, FAA flight plans name the aircraft for 18. For 8 of those, the aircraft’s previous flight into STL 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); 1 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.

Of 12 departures that took off between 1:30 PM and 2:30 PM CST, 7 left at least 15 minutes late. St Louis typically sees 29% 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.

Tailodds’ model gives the 54 departures scheduled from St Louis 3–6 PM Friday an average 57% chance of leaving 15+ minutes late. With calm weather the same flights would average 37%. From the 1:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Tailodds’ model gives the 49 departures scheduled from St Louis noon–3 PM Friday an average 44% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 7:00 AM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of 13 arrivals that landed between 7:51 PM and 8:51 PM CST, 6 reached the gate at least 15 minutes late. Typically 21% of arrivals at St Louis arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

Of the 19 departures scheduled from St Louis (STL) between 6:42 PM and 8:12 PM CST, FAA flight plans name the aircraft for 18. For 8 of those, the aircraft’s previous flight into STL 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); 1 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.

Tailodds’ model gives the 27 departures scheduled from St Louis 9 PM–midnight Thursday an average 64% chance of leaving 15+ minutes late. With calm weather the same flights would average 49%. From the 4:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

Of 12 departures that took off between 10:45 AM and 11:45 AM CST, 6 left at least 15 minutes late. St Louis 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.