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How Busy Is Chicago O'Hare International Airport? ORD
Chicago, United States. Departures peak at 08:00 local, averaging about 109 flights per hour.
Window: last 60 days. Last refreshed: 2026-11-15.
Peak departure hour
08:00
109 flights/hr
Quietest active hour
04:00
2 flights/hr
Traffic score
94/100
Relative volume
Departures by hour (local time)
Avg per day, last 60 daysTotal: about 1,350 departures per day.
Weekday vs weekend departure pattern
Weekday avg per hour
Weekend avg per hour
Arrivals by hour (local time)
Avg per day, last 60 daysPeak arrival hour: 11:00 local (about 103 flights/hr). Total: about 1,350 arrivals per day.
Top airlines
- 1. United Airlines (UA)
- 2. American Airlines (AA)
- 3. Delta Air Lines (DL)
- 4. Frontier Airlines (F9)
- 5. Air Canada (AC)
Top destinations
- 1. 🇺🇸 New York (LGA)
- 2. 🇺🇸 Boston (BOS)
- 3. 🇺🇸 Dallas-Fort Worth (DFW)
- 4. 🇺🇸 Los Angeles (LAX)
- 5. 🇺🇸 Washington (DCA)
Frequently asked
- What's the busiest hour for departures at ORD?
- Departures from Chicago O'Hare Intl peak at 08:00 local time, averaging about 109 flights per hour over the past 60 days.
- What's the quietest hour to fly out of ORD?
- The quietest hour with regular service is 04:00 local time, averaging 2 flights per hour.
- Which airline operates the most flights from ORD?
- United Airlines (UA) ran more departures from Chicago O'Hare Intl than any other airline over the past 60 days.
- What's the most popular destination from ORD?
- New York (LGA) was the most-flown destination over the past 60 days.
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