St Louis Airport (STL) delays today: 77% of the 219 flights we have timed operated within 15 minutes of schedule. Departures are running +14 min, across 119 flights tracked so far today. 2 of 119 tracked flights have been cancelled (1.7%). The busiest departure hour on today's board is 18:00 local, with 18 flights scheduled to leave. The most-served destination today is Denver (DEN), with 7 departures on the board. Source: official airport boards, METAR weather, Pro Flight Search tracking. Updated 10 September 2026 at 00:42 UTC.
typical departure delay right now
The terminal forecast includes thunderstorms and cumulonimbus clouds. Measured operations: departures +14 min, arrivals 16 min early. No cancellations across 333 tracked flights.
Live arrivals · Delays & weather · Direct routes · Global delays now
Cancellation risk · Do planes make up time? · Weather delay risk
Board fetched 1h ago · how we report
Scheduled departures per 15 minutes. The tallest banks are where queues form.
Delay at the destination often ripples back into departure holds here.
Destinations on the current board, busiest first. 54 airports are served in this departures window.
The busiest departure hour on today's board is 18:00 local, with 18 flights scheduled to leave.
Every board update is stored, including the revisions. The first delay this board admits understates the median outcome. Posted vs. actual across every hub: the slippage study →
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: St Louis Airport (STL) live delay and board tracking, measured from official airport boards.
https://proflightsearch.com/airport-departures/st-louis-STL
St Louis Airport (STL) delays today: 77% of the 219 flights we have timed operated within 15 minutes of schedule. Departures are running +14 min, across 119 flights tracked so far today. 2 of 119 tracked flights have been cancelled (1.7%).
2 of the 119 flights currently on the board are cancelled.
The busiest departure hour on today's board is 18:00 local, with 18 flights scheduled to leave.
The busiest destinations on the current board are Denver (DEN), Chicago (ORD), Atlanta (ATL), Dallas-Fort Worth (DFW), New York (LGA). In total 54 airports are served in this window.
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