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How Busy Is Chicago O'Hare International Airport? ORD
Chicago, United States. Departures peak at 08:00 local, averaging 112.1 flights per hour.
Window: last 60 days. Last refreshed: 2026-09-30. Schedule coverage: 123 days observed.
Peak departure hour
08:00
112.1 flights/hr
Quietest active hour
04:00
2.6 flights/hr
Traffic score
94/100
Relative volume
Departures by hour (local time)
Avg per day, last 60 daysTotal: 1412.3 avg 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 (102.8 flights/hr). Total: 1395.1 avg arrivals/day.
Top airlines
- 1. United Airlines, (UA) 39,104
- 2. American Airlines (AA) 30,785
- 3. Delta Air Lines, (DL) 2,606
- 4. Frontier Airlines, (F9) 683
- 5. Air Canada (AC) 670
Top destinations
- 1. 🇺🇸 New York (LGA) 1,979
- 2. 🇺🇸 Boston (BOS) 1,540
- 3. 🇺🇸 Los Angeles (LAX) 1,493
- 4. 🇺🇸 Dallas-Fort Worth (DFW) 1,463
- 5. 🇺🇸 Washington (DCA) 1,361
Frequently asked
- What's the busiest hour for departures at ORD?
- Departures from Chicago O'Hare Intl peak at 08:00 local time, averaging 112.1 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 2.6 flights per hour.
- Which airline operates the most flights from ORD?
- United Airlines, (UA) is the largest operator at Chicago O'Hare Intl, with 39104 observed departures in the past 60 days.
- What's the most popular destination from ORD?
- New York (LGA) is the most-flown destination, with 1979 observed departures in the past 60 days.
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