Flights Milwaukee → Seattle
MKE → SEA
Route overview
The flight route from Milwaukee to Seattle has a high on-time performance rate of 87%, with an average delay of just 2.4 minutes across the total of 79 flights recorded. The destination airport in Seattle serves over 52 million passengers annually, indicating its significance as a major travel hub.
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) → Seattle (SEA) route is operated by Southwest Airlines. Across 103 flights monitored in recent months, 87% arrived on time (within 15 min of schedule), with an average delay of 3 minutes. The cancellation rate is 4.85%. FlightGuard's average computed risk is 29/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Milwaukee the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Milwaukee (MKE) to Seattle (SEA) heads north-west for about 2,719 km, a flight time of roughly 3h 49m.
Departures from Milwaukee on this leg cluster in the morning window: about 91% of MKE-SEA flights take off then.
Air-traffic congestion: departing Milwaukee the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 103 tracked MKE-SEA flights, 87% left on time with an average delay of 3 min and a 4.8% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating MKE-SEA
Airports
Frequently asked questions about MKE-SEA
On the Milwaukee (MKE) -> Seattle (SEA) route, on-time performance is 87% with an average delay of 3 minutes, based on 103 tracked flights.
The cancellation rate on Milwaukee-Seattle is 4.85% across 103 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 Seattle, 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.
