Signal name: Turnaround Delay Spike Signal

On 2026-05-20, the airport operations control center observed an 18 percent
increase in turnaround delays for flights departing between 16:00 and 20:00
from Terminal 2.

The signal source is the ground operations event log enriched with aircraft
stand events and baggage loading milestones. The signal strength is high because
the increase appeared across three handling agents and multiple gate zones. The
confidence level is medium because two baggage belt event streams were delayed
for part of the observation window.

The signal is relevant to Flight Delay Risk Monitoring and the Reduce Departure
Delay Minutes objective. It should trigger investigation of staffing levels,
baggage loading bottlenecks, late inbound aircraft, and aircraft stand conflicts.

Recommended action: operations control should review high-risk departures in
Terminal 2 before the evening peak, coordinate with handling agents, and prepare
gate reassignment options for flights with limited turnaround buffer.

