MIA → STLMiami to St Louis

live

Direct flights from Miami (MIA) to St Louis (STL): 14 nonstop departures observed each week across 2 airlines. 80% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 23 minutes early. 1 of the 5 tracked flights was cancelled. 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 Miami and St Louis. Updated 10 September 2026 at 03:18 UTC.

MIA Miami busy · +29
STL St Louis smooth · +0
1,722 km · ~2h 42m est.
dep bank 07:40–20:4014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
80% on time

of the last 5 operated MIA → STL flights arrived within 15 minutes

Median arrival delay is −23 min. 1 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−23 minacross the last 5 operated legs
Flight time~2h 42mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesSouthwest Airlines

Each 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 days
American AirlinesAA

Flights AA1349 08:41 daily · AA1594 20:40 daily

Southwest AirlinesWN

Flights WN1517 varies Su · WN4222 07:45 Sa · WN2948 12:25 Mo Th Fr · WN2456 12:50 Tu We Sa

History

operated legs · board outcomes
09-09AA1594dep +14 → arr−33
09-09WN2456dep +15 → arr−25
09-08AA1349dep +33 → arr−1
09-08AA1594dep +24 → arr−23
09-08WN2456cancelledCNX

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
MIAMiami +29 min busy 🌤 mostly cloudy · N 3 kt Full MIA delay board →
STLSt Louis +0 min smooth 🌤 overcast · ENE 8 kt Full STL delay board →

Weather lens

Current conditions put the pressure at STL: 40% 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 →

How the Miami to St Louis route actually runs

Pro Flight Search records official board updates for nonstop MIA to STL 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

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Miami (MIA) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/MIA-STL
How we measure this →

MIA to STL questions

Is MIA–STL running on time right now?

Mostly on schedule. The departure side at MIA is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on MIA–STL?

Operators schedule morning departures around 07:45 and evening departures around 20:40 from MIA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from MIA to STL?

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 MIA–STL fly?

2 carriers operate this route, around 22 flights a week between them. Compare carrier days and times in the airline list above.