What's the busiest hour for departures at ORD?

Departures from Chicago O'Hare Intl peak at 08:00 local time, averaging 109.5 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 2.5 flights per hour.

How long are security wait times at ORD?

Average weekday security wait at Chicago O'Hare Intl is 4 minutes, and weekend wait is 3 minutes. This is a rolling average from public airport wait data.

Which airline operates the most flights from ORD?

United Airlines, (UA) is the largest operator at Chicago O'Hare Intl, with 7482 observed departures in the past 60 days.

What's the most popular destination from ORD?

New York (LGA) is the most-flown destination, with observed departures in the past 60 days.

🇺🇸

ORD Airport - Chicago O'Hare Intl

Chicago, United States. Departures peak at 08:00 local, averaging 109.5 flights per hour.

Window: last 60 days. Last refreshed: 2026-05-18. Schedule coverage: 11 days observed.

Peak departure hour

08:00

109.5 flights/hr

Quietest active hour

04:00

2.5 flights/hr

Avg weekday wait

4 min

Security

Avg weekend wait

3 min

Security

Traffic score

94/100

Relative volume

Departures by hour (local time)

Avg per day, last 60 days

Total: 1435.1 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 days

Peak arrival hour: 14:00 local (111.6 flights/hr). Total: 1422.3 avg arrivals/day.

Top airlines

1. United Airlines, (UA) 7,482
2. American Airlines (AA) 5,780
3. Delta Air Lines, (DL) 458
4. Southwest Airlines (WN) 149
5. Linair - Hungarian Regional Airlines (LF) 147

Top destinations

1. 🇺🇸 New York (LGA) 364
2. 🇺🇸 Boston (BOS) 267
3. 🇺🇸 Indianapolis (IND) 242
4. 🇺🇸 Dallas-Fort Worth (DFW) 240
5. 🇺🇸 Atlanta (ATL) 224

Frequently asked

What's the busiest hour for departures at ORD?: Departures from Chicago O'Hare Intl peak at 08:00 local time, averaging 109.5 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 2.5 flights per hour.
How long are security wait times at ORD?: Average weekday security wait at Chicago O'Hare Intl is 4 minutes, and weekend wait is 3 minutes. This is a rolling average from public airport wait data.
Which airline operates the most flights from ORD?: United Airlines, (UA) is the largest operator at Chicago O'Hare Intl, with 7482 observed departures in the past 60 days.
What's the most popular destination from ORD?: New York (LGA) is the most-flown destination, with observed departures in the past 60 days.

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