MKE to BWI flight delays & on-time performance
Nonstop flights from General Mitchell International Airport to Baltimore/Washington International Thurgood Marshall Airport · 641 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MKE or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Milwaukee (MKE) to Baltimore (BWI) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (95% on time); around 6pm did worst (51%).
- Tuesday was the most reliable day to fly (91% on time) and Sunday the least (79%).
- The largest source of delay minutes was late-arriving aircraft (51%).
Which airline is most on time from MKE to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 85% | 1.2% | 11 min | 5.0% | 826 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am92%193 flights
- 7am95%111 flights
- 9am93%42 flights
- 11am95%20 flights
- 12pm94%105 flights
- 2pm89%73 flights
- 3pm89%39 flights
- 4pm76%50 flights
- 5pm63%75 flights
- 6pm51%69 flights
- 7pm69%14 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%1.6% cancelled
- Tuesday91%0.0% cancelled
- Wednesday89%0.9% cancelled
- Thursday86%0.0% cancelled
- Friday83%1.5% cancelled
- Saturday87%0.0% cancelled
- Sunday79%4.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion22%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather90%
- Airline (crew, maintenance, cleaning, fueling)10%
- Air traffic control & airport congestion0%
- Security0%
MKE to BWI: common questions
- How often are MKE to BWI flights on time?
- 85% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Milwaukee to Baltimore cancelled?
- 1.2% of scheduled flights were cancelled (10 of 826).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 63 min behind schedule on average, and 5.0% of flights were an hour or more late.
- How long is taxi time at MKE?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to MKE — 76% on time
More flights from Milwaukee
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MKE → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.