Flight records through . Security counts through .
Does ORD to GUC still fly? Not since March 2026.
The last flight on record left March 28, 2026. Flight records run about two months behind.
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United
46%
When is ORD security busiest? 5 to 7 am, then 12 to 4 pm.
Calmest around 10 am. Chicago ORD security, hour by hour.
Security counts,
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Friday, 6 am
7,840
people screened, all terminals.