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Route Reliability

Milwaukee → Baltimore

MKE–BWI · 641 miles · Milwaukee Mitchell International Airport to Baltimore/Washington International Thurgood Marshall Airport

85
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
1.9%
Cancelled
836
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines85% on time · 825 flights
  • Spirit Airlines100% on time · 11 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

MKE–BWI flights departing between 3–6 AM arrived on time 94% of the time, versus 58% between 6–9 PM.

Sunday scaries are real for this one.

MKE–BWI flights arrived on time 90% of the time on Tuesdays. On Sundays: 78%.

Ticking up lately.

MKE–BWI flights arrived on time 89% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon85%(133 flights)
  • Tue90%(111 flights)
  • Wed84%(105 flights)
  • Thu89%(120 flights)
  • Fri85%(133 flights)
  • Sat85%(96 flights)
  • Sun78%(120 flights)
On-time by departure window
  • 3–6 AM94%(16 flights)
  • 6–9 AM93%(302 flights)
  • 9 AM–12 PM90%(80 flights)
  • 12–3 PM91%(182 flights)
  • 3–6 PM74%(147 flights)
  • 6–9 PM58%(91 flights)
On-time trend by month
87%
May

Jun 81% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%86
July 202579%86
August 202582%79
September 202590%77
October 202590%87
November 202579%72
December 202584%73
January 202688%41
February 202685%41
March 202686%55
April 202695%59
May 202687%62

Same trip, other airports

Keep nerding

Based on 836 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.