Flights Milwaukee → St. Louis
MKE → STL
Route overview
The flight route from Milwaukee to St. Louis demonstrates high punctuality with an on-time performance rate of 86%. Over the course of a year, it records an average delay of just 2.2 minutes per flight out of a total of 164 flights, serving a destination airport that handles approximately 13,665,517 passengers annually.
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 Milwaukee (MKE) → St. Louis (STL) route is operated by Southwest Airlines. Across 223 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 5 minutes. The cancellation rate is 3.59%. FlightGuard's average computed risk is 18.5/100 (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 Milwaukee the average ATFM delay is 2.0 minutes.
Heading to St. Louis: what to expect in this direction
Flying from Milwaukee (MKE) to St. Louis (STL) heads south-west for about 511 km, a flight time of roughly 1h 4m.
Departures from Milwaukee on this leg cluster in the overnight window: about 51% of MKE-STL flights take off then.
Air-traffic congestion: departing Milwaukee the average ATFM delay is 2.0 min (atfm); arriving into St. Louis it is 2.0 min (atfm).
Across 223 tracked MKE-STL flights, 85% left on time with an average delay of 5 min and a 3.6% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating MKE-STL
Airports
Frequently asked questions about MKE-STL
On the Milwaukee (MKE) -> St. Louis (STL) route, on-time performance is 85% with an average delay of 5 minutes, based on 223 tracked flights.
The cancellation rate on Milwaukee-St. Louis is 3.59% across 223 monitored flights.
The route is operated by 1 airline: Southwest 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.
