How busy is St. Louis Lambert International right now?

The TSA wait at STL is about 18-24 minutes. Check live conditions, weather, and FAA delay status above for a full picture of how busy STL is right now.

What is the FAA airport status for STL?

The FAA airport status for STL (St. Louis Lambert International) shows current delays, ground stops, and departure/arrival delay programs. STL has an on-time departure rate of 81%, with an average delay of 63 minutes when delays occur. Check above for live FAA status and real-time conditions.

Is STL busy right now?

Check the live status above for real-time conditions at St. Louis Lambert International (STL). TSA wait is currently about 18-24 minutes. Overall, 81% of flights depart on time from STL. The least busy time for security is 4 AM (about 5 min).

Is St. Louis Lambert International operating normally today?

Check the live FAA status and delay data above for current operations at STL. On a typical day, 81% of departures from St. Louis Lambert International are on time. When delays occur, they average about 63 minutes. The most common reason for departure delays here is the incoming plane arriving late.

Are there delays at St. Louis Lambert International today?

Check the live delay tracker above for current STL delays. Historically, 81% of departures are on time, and when delays occur they average 63 minutes. About 1.7% of flights are cancelled. The most common reason for departure delays here is the incoming plane arriving late.

What is the average departure delay at St. Louis Lambert International?

When departures at STL (St. Louis Lambert International) are delayed, the average delay is about 63 minutes. Overall, 81% of flights depart on time. About 1.7% of flights are cancelled.

What causes the most departure delays at St. Louis Lambert International?

The most common reason for departure delays here is the incoming plane arriving late. At STL, 81% of departures are on time, and when delays occur they average 63 minutes.

Is it safe to book a tight connection at St. Louis Lambert International?

STL is fairly reliable, so a 60-minute domestic connection is usually fine. For international flights, allow at least 90 minutes.

What's the best time to fly from St. Louis Lambert International?

Early morning flights (before 8 AM) tend to have the best on-time performance at most airports, including STL. For shorter security lines, aim for 4 AM (about 5 min). Midweek flights (Tuesday and Wednesday) also tend to see fewer delays than weekend or Monday departures.

STL St. Louis Delays & Airport Status

Q: What are TSA wait times at STL?

The TSA wait at STL is about 18-24 minutes. The fastest time through security is 4 AM (about 5 min). The busiest period is 6 PM (20-26 minutes). Wait times are similar throughout the week.

St. Louis Lambert International

STL delays today: St. Louis Lambert International has an on-time departure rate of about 81%. The FAA airport status for STL typically shows an average delay of 63 minutes when departures are delayed. The most common reason for departure delays here is the incoming plane arriving late. Roughly 1.7% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 14 minutes. The current TSA wait is about 18-24 minutes. The fastest time through security is 4 AM (about 5 min). The busiest period is 6 PM (20-26 minutes).

Source: BTS, FAA. Updated April 2026.