FlightRecord

Milwaukee (MKE) to Baltimore (BWI): On-Time Performance

Data through May 2026

The calendar drives reliability on MKE–BWI. January 2025 flights landed on schedule 95% of the time, but July 2024 dropped to 74% — a gap of 22 points. Across the full period the route averages 85% on-time against a national 78%. Morning departures also hold up better than evening ones (93% vs 65%), which matters most in the rough months.

On-time
85%
arrived <15 min late
Avg delay
10 min
completed flights
Cancelled
1.5%
Flights/day
2.3
last 12 months
Duration
1h 51m
scheduled
Distance
641 mi

Monthly on-time trend

Monthly on-time percentage for MKE to BWI flights50%75%100%June 2024: 82% on-time (83 flights)82Jun 2024July 2024: 74% on-time (88 flights)74August 2024: 79% on-time (104 flights)79September 2024: 93% on-time (95 flights)93Sep 2024October 2024: 93% on-time (88 flights)93November 2024: 93% on-time (73 flights)93December 2024: 80% on-time (73 flights)80Dec 2024January 2025: 95% on-time (45 flights)95February 2025: 86% on-time (43 flights)86March 2025: 94% on-time (55 flights)94Mar 2025April 2025: 92% on-time (59 flights)92May 2025: 78% on-time (69 flights)78June 2025: 80% on-time (91 flights)80Jun 2025July 2025: 78% on-time (90 flights)78August 2025: 81% on-time (79 flights)81September 2025: 90% on-time (77 flights)90Sep 2025October 2025: 90% on-time (87 flights)90November 2025: 79% on-time (73 flights)79December 2025: 84% on-time (75 flights)84Dec 2025January 2026: 88% on-time (44 flights)88February 2026: 85% on-time (43 flights)85March 2026: 86% on-time (56 flights)86Mar 2026April 2026: 95% on-time (59 flights)95May 2026: 87% on-time (62 flights)87

Best time to fly from MKE to BWI

Aim for departures around 7 a.m. (95% on-time); avoid 6 p.m. departures (61%).

On-time percentage by scheduled departure hour, MKE to BWI5 a.m.: 91% on-time (79 flights)56 a.m.: 94% on-time (399 flights)67 a.m.: 95% on-time (188 flights)79 a.m.: 93% on-time (42 flights)910 a.m.: 88% on-time (58 flights)1011 a.m.: 87% on-time (46 flights)1112 p.m.: 91% on-time (181 flights)121 p.m.: 91% on-time (56 flights)132 p.m.: 89% on-time (81 flights)143 p.m.: 86% on-time (73 flights)154 p.m.: 80% on-time (106 flights)165 p.m.: 68% on-time (168 flights)176 p.m.: 61% on-time (192 flights)187 p.m.: 72% on-time (26 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday84%11 min
Tuesdaybest89%9 min
Wednesday87%9 min
Thursday86%8 min
Friday85%9 min
Saturday85%9 min
Sunday80%14 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft49%
  • Airline operations22%
  • National airspace system28%
  • Weather1%

Frequently asked questions

How often are flights from MKE to BWI delayed?
15% of MKE–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 10 minutes.
What is the best time of day to fly from MKE to BWI?
Departures around 7 a.m. have the best record (95% on-time), while departures around 6 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from MKE to BWI?
The scheduled MKE–BWI flight time averages 1h 51m over 641 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
How often are MKE to BWI flights cancelled?
1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from MKE to BWI?
July 2024 was the roughest month in this dataset, with only 74% of arrivals on time. The best was January 2025 at 95%. If your dates are flexible, that 22-point gap is worth planning around.

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Based on 1,711 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.