Flights Seattle → Milwaukee
SEA → MKE
How long is the flight from Seattle to Milwaukee?
The flight from Seattle (SEA) to Milwaukee (MKE) takes 3h 28m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Seattle to Milwaukee has a high on-time performance rate of 95%, with an average arrival time that is actually one and a half minutes ahead of schedule. Over the course of a year, this route sees around eighty flights, serving a busy destination airport that accommodates over six million 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 Seattle (SEA) → Milwaukee (MKE) route is operated by Southwest Airlines. Across 279 flights monitored in recent months, 89% arrived on time (within 15 min of schedule), with an average delay of 2 minutes. The cancellation rate is 1.79%. FlightGuard's average computed risk is 16.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Milwaukee the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 5.5 minutes.
Heading to Milwaukee: what to expect in this direction
Flying from Seattle (SEA) to Milwaukee (MKE) heads east for about 2,719 km, a flight time of roughly 3h 28m.
Departures from Seattle on this leg cluster in the overnight window: about 68% of SEA-MKE flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 5.5 min (atfm); arriving into Milwaukee it is 5.5 min (atfm).
Across 279 tracked SEA-MKE flights, 89% left on time with an average delay of 2 min and a 1.8% 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) | 75% | 5 min | 0.3% |
Airlines operating SEA-MKE
Airports
Frequently asked questions about SEA-MKE
The flight from Seattle (SEA) to Milwaukee (MKE) takes 3h 28m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Seattle (SEA) -> Milwaukee (MKE) route, on-time performance is 89% with an average delay of 2 minutes, based on 279 tracked flights.
The cancellation rate on Seattle-Milwaukee is 1.79% across 279 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 Milwaukee, 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.
