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Adding up each flight’s cancellation probability, Tailodds’ model expects about 9 of the 30 departures scheduled 3–6 PM Saturday to be cancelled (31%). With calm weather it would expect about 0. From the 7:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Adding up each flight’s cancellation probability, Tailodds’ model expects about 9 of the 31 departures scheduled noon–3 PM Saturday to be cancelled (29%). With calm weather it would expect about 0. From the 7:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Adding up each flight’s cancellation probability, Tailodds’ model expects about 7 of the 24 departures scheduled 9 AM–noon Saturday to be cancelled (31%). With calm weather it would expect about 0. From the 7:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Tailodds’ model gives the 31 departures scheduled from Indianapolis noon–3 PM Saturday an average 60% chance of leaving 15+ minutes late. With calm weather the same flights would average 17%. From the 7:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

The FAA issued this advisory: “EVENT TIME: 14/0116 - 14/0130 DESTINATION AIRPORT:ALL FACILITIES INCLUDED: ALL EXPECT UPDATE:0400Z REASON: REMARKS: THE FAA COMMAND CENTER NATIONWIDE GROUND STOP HAS BEEN CANCELLED.” This is an advisory bulletin; its text defines the affected flights and time period.

The FAA issued this advisory: “EVENT TIME: 13/2245 - 14/0400 DESTINATION AIRPORT:ALL FACILITIES INCLUDED: ALL EXPECT UPDATE:0400Z REASON: COMMUNICATIONS FAILURE REMARKS: THE FAA COMMAND CENTER GROUND STOP REMAINS IN EFFECT. AS ENROUTE FACILITIES RECOVER, FLIGHTS WILL BE ALLOWED TO DEPART THROUGH COORDINATION WITH THE AIR TRAFFIC CONTROL SYSTEM COMMAND CENTER.” This is an advisory bulletin; its text defines the affected flights and time period.

Tailodds’ model gives the 26 departures scheduled from Indianapolis 6–9 PM Friday an average 84% chance of leaving 15+ minutes late. With calm weather the same flights would average 35%. From the 4:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

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.

Of 14 arrivals that landed between 11:48 PM and 12:48 AM EST, 10 reached the gate at least 15 minutes late. Typically 22% of arrivals at Indianapolis 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 departures that took off between 6:35 PM and 7:35 PM EST, 10 left at least 15 minutes late. Indianapolis typically sees 33% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.