🇺🇸
How Busy Is Houston Bush International Airport? IAH
Houston, United States. Departures peak at 18:00 local, averaging 64.1 flights per hour.
Window: last 60 days. Last refreshed: 2026-09-30. Schedule coverage: 164 days observed.
Peak departure hour
18:00
64.1 flights/hr
Quietest active hour
00:00
1 flights/hr
Traffic score
77/100
Relative volume
Departures by hour (local time)
Avg per day, last 60 daysTotal: 576.9 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: 08:00 local (72.6 flights/hr). Total: 578.7 avg arrivals/day.
Top airlines
- 1. United Airlines, (UA) 27,496
- 2. American Airlines (AA) 1,911
- 3. Delta Air Lines, (DL) 1,405
- 4. Frontier Airlines, (F9) 1,161
- 5. Jetblue Airways (B6) 398
Top destinations
- 1. 🇺🇸 Chicago (ORD) 1,122
- 2. 🇺🇸 Dallas-Fort Worth (DFW) 997
- 3. 🇺🇸 Atlanta (ATL) 863
- 4. 🇺🇸 Denver (DEN) 803
- 5. 🇺🇸 Los Angeles (LAX) 711
Frequently asked
- What's the busiest hour for departures at IAH?
- Departures from Houston Bush Int'ctl peak at 18:00 local time, averaging 64.1 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 00:00 local time, averaging 1 flights per hour.
- Which airline operates the most flights from IAH?
- United Airlines, (UA) is the largest operator at Houston Bush Int'ctl, with 27496 observed departures in the past 60 days.
- What's the most popular destination from IAH?
- Chicago (ORD) is the most-flown destination, with 1122 observed departures in the past 60 days.
Tracking a flight through IAH?
Forward your booking and TripWaffle alerts you to gate changes, delays and baggage carousels - so you don't have to keep refreshing.
Get realtime alerts
Free to start. No card required.