ORD Chicago
O'Hare International
Best time through security: 4 AM (about 5 min)
Most reliable airline here: Endeavor Air (86% on time)
Why delays happen: The most common reason for departure delays here is the incoming plane arriving late.
Get a pre-flight briefing for ORD
Delay risk, TSA wait, and weather — emailed before your flight. Free.
Common questions about ORD
Are there delays at ORD right now?
No active delays at ORD right now. Historically, ORD runs on time 77% of the time.
How long is TSA at ORD?
Estimated wait right now: very quiet — expect minimal lines at this hour. Fastest time: 4 AM (about 5 min). Busiest: 8 AM (31-37 minutes).
What usually causes delays at ORD?
The most common reason for departure delays here is the incoming plane arriving late. About 1.9% of flights get cancelled.
How long of a connection do I need?
ORD sees moderate delays — allow at least 90 minutes domestic, 2 hours international.