Direct flights from St Louis (STL) to Miami (MIA): 16 nonstop departures observed each week across 3 airlines. 83% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 6 tracked flights. The nonstop covers 1,722 km, an estimated 2 hours 42 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Miami. Updated 13 October 2026 at 11:38 UTC.
Today, STL → MIA
Tue 13 Oct · local times- 05:00 AA1716American Airlines Left 05:00 MIA est. 08:16In the air · sched 08:49
Checked STL board 06:18 · MIA board 07:38
of the last 6 operated STL → MIA flights arrived within 15 minutes
Median arrival delay is −7 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysFlights MQ4326 18:20 Tu We
Flights WN3371 10:05 Sa · WN4134 10:20 Su · WN4100 14:25 Mo Th Fr · WN1901 16:55 Sa
History
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at STL: 38% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the St Louis to Miami route actually runs
Pro Flight Search records official board updates for nonstop STL to MIA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — St Louis (STL) to Miami (MIA) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/STL-MIA
STL to MIA questions
Is STL–MIA running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–MIA?
Operators schedule morning departures around 05:00 and evening departures around 18:07 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MIA delay card to confirm conditions when you'd arrive.
How long is the flight from STL to MIA?
Great-circle distance is 1,722 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 152–178 min gate-to-gate on this route.
How often does STL–MIA fly?
3 carriers operate this route, around 23 flights a week between them. Compare carrier days and times in the airline list above.