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ORD Airport - Chicago O'Hare Intl

Chicago, United States. Departures peak at 08:00 local, averaging 112.2 flights per hour.

Window: last 60 days. Last refreshed: 2026-09-04. Schedule coverage: 98 days observed.

Peak departure hour
08:00
112.2 flights/hr
Quietest active hour
04:00
2.4 flights/hr
Traffic score
94/100
Relative volume

Departures by hour (local time)

Avg per day, last 60 days
0003060912151821

Total: 1417.5 avg departures per day.

Weekday vs weekend departure pattern

Weekday avg per hour
0003060912151821
Weekend avg per hour
0003060912151821

Arrivals by hour (local time)

Avg per day, last 60 days
0003060912151821

Peak arrival hour: 11:00 local (101.8 flights/hr). Total: 1399.7 avg arrivals/day.

Top airlines

  1. 1. United Airlines, (UA) 38,288
  2. 2. American Airlines (AA) 30,231
  3. 3. Delta Air Lines, (DL) 2,580
  4. 4. Alaska Airlines, (AS) 723
  5. 5. Frontier Airlines, (F9) 712

Top destinations

  1. 1. 🇺🇸 New York (LGA) 1,918
  2. 2. 🇺🇸 Boston (BOS) 1,510
  3. 3. 🇺🇸 Los Angeles (LAX) 1,481
  4. 4. 🇺🇸 Dallas-Fort Worth (DFW) 1,429
  5. 5. 🇺🇸 Washington (DCA) 1,256

Frequently asked

What's the busiest hour for departures at ORD?
Departures from Chicago O'Hare Intl peak at 08:00 local time, averaging 112.2 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 2.4 flights per hour.
Which airline operates the most flights from ORD?
United Airlines, (UA) is the largest operator at Chicago O'Hare Intl, with 38288 observed departures in the past 60 days.
What's the most popular destination from ORD?
New York (LGA) is the most-flown destination, with 1918 observed departures in the past 60 days.

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