Flights Miami → St. Louis
MIA → STL
Route overview
The flight route from Miami to St. Louis operates with a Boeing 737-800 aircraft and has an on-time performance rate of 71%. Over the past year, it experienced an average delay of 17.5 minutes per flight out of a total of 342 flights. The destination airport serves over 13 million passengers annually, indicating significant traffic and potential congestion that could affect flight schedules.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Miami (MIA) → St. Louis (STL) route is operated by American Airlines. Across 435 flights monitored in recent months, 69% arrived on time (within 15 min of schedule), with an average delay of 19 minutes. The cancellation rate is 1.61%. FlightGuard's average computed risk is 24.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Louis the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Miami the average ATFM delay is 2.0 minutes.
Heading to St. Louis: what to expect in this direction
Flying from Miami (MIA) to St. Louis (STL) heads north-west for about 1,721 km, a flight time of roughly 2h 34m.
Departures from Miami on this leg cluster in the midday window: about 45% of MIA-STL flights take off then.
Air-traffic congestion: departing Miami the average ATFM delay is 2.0 min (atfm); arriving into St. Louis it is 2.0 min (atfm).
Across 435 tracked MIA-STL flights, 69% left on time with an average delay of 19 min and a 1.6% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating MIA-STL
Airports
Frequently asked questions about MIA-STL
On the Miami (MIA) -> St. Louis (STL) route, on-time performance is 69% with an average delay of 19 minutes, based on 435 tracked flights.
The cancellation rate on Miami-St. Louis is 1.61% across 435 monitored flights.
The route is operated by 1 airline: American Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at St. Louis, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
