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How Busy Is Houston Bush International Airport? IAH
Houston, United States. Departures peak at 12:00 local, averaging about 70 flights per hour.
Window: last 60 days. Last refreshed: 2026-11-15.
Peak departure hour
12:00
70 flights/hr
Quietest active hour
01:00
under 1 flights/hr
Traffic score
77/100
Relative volume
Departures by hour (local time)
Avg per day, last 60 daysTotal: about 600 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: 08:00 local (about 75 flights/hr). Total: about 600 arrivals per day.
Top airlines
- 1. United Airlines (UA)
- 2. American Airlines (AA)
- 3. Delta Air Lines (DL)
- 4. Frontier Airlines (F9)
- 5. Jetblue Airways (B6)
Top destinations
- 1. 🇺🇸 Chicago (ORD)
- 2. 🇺🇸 Dallas-Fort Worth (DFW)
- 3. 🇺🇸 Atlanta (ATL)
- 4. 🇺🇸 Los Angeles (LAX)
- 5. 🇺🇸 Denver (DEN)
Frequently asked
- What's the busiest hour for departures at IAH?
- Departures from Houston Bush Int'ctl peak at 12:00 local time, averaging about 70 flights per hour over the past 60 days.
- What's the quietest hour to fly out of IAH?
- The quietest hour with regular service is 01:00 local time, averaging under 1 flights per hour.
- Which airline operates the most flights from IAH?
- United Airlines (UA) ran more departures from Houston Bush Int'ctl than any other airline over the past 60 days.
- What's the most popular destination from IAH?
- Chicago (ORD) was the most-flown destination over the past 60 days.
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