STL Today
Clean day, better than the weekly average. Departures at 97%, arrivals worse at 86%. Late morning flights ran 38 points better than evening. Fly 9am - 12pm if you can. That window has been running at 98%.
What This Means for You
Good day to fly from STL. 97% of departures are on time. Your flight will probably leave on schedule. Normal operations.
If you can choose your departure time: late morning flights (9am - 12pm) run at 98%. Evening (6pm - 10pm) drops to 60%. That is a 38-point difference from the same airport on the same day.
STL Flight Board
Live departures and arrivals at St. Louis Lambert International Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Late Morning vs Evening is a 38-point swing at STL. The late morning block runs at 98%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning held up fine at 97%. 9pm is where it broke down, dropping to 36%. A 64-point swing from best to worst today.
vs Last Week
Down 9 points from last week (75% vs 84%). Arrivals down 6 points too. Mon was the worst day, Sun the best.
The Bigger Picture
STL has been bouncing between 40% and 90%. Best day was Apr 9 at 90%. Worst was Mar 16 at 40%. The norm is 75-81%, which is just how STL runs. Today's 97% is a good day by STL standards.
About STL Delays
St. Louis Lambert International Airport (STL) is currently running on time with 97% on-time departures and 86% on-time arrivals. This data updates every 5 minutes from FAA sources.
St. Louis Lambert International Airport has averaged 75% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
St. Louis Lambert International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Early morning departures from St. Louis Lambert International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.