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Route · MKE → BWI · 2020–2025 BTS data

Milwaukee to Baltimore

The MKE–BWI corridor (Milwaukee, WI → Baltimore, MD) runs ahead of the national average, served by 3 carriers across roughly 641 miles.

Data updated 2026-06-13

86.4%
On-time
+7.4 pts
vs US avg
63 min
Delay when late
4,567
Flights

Cancelled

1.3%

Best Month

Mar 2025 95%

Worst Month

Jan 2024 71%

Distance

641 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 75 12 2 0 WN
Nov 2025 73 15 1 0 WN
Oct 2025 87 9 0 0 WN
Sep 2025 77 8 0 0 WN
Aug 2025 79 15 0 0 WN
Jul 2025 90 19 4 0 NK,WN
Jun 2025 91 16 3 2 WN,NK
May 2025 69 15 1 0 WN,NK
Apr 2025 59 5 0 0 WN
Mar 2025 55 3 2 0 WN
Feb 2025 43 6 0 0 WN
Jan 2025 45 2 4 0 WN
Dec 2024 73 15 0 0 WN
Nov 2024 73 5 0 0 WN
Oct 2024 88 6 1 0 WN
Sep 2024 95 7 1 0 WN
Aug 2024 104 19 0 3 NK,WN
Jul 2024 88 23 1 0 WN
Jun 2024 83 15 0 0 WN
May 2024 61 16 0 0 WN
Apr 2024 59 14 0 0 WN
Mar 2024 57 9 0 0 WN
Feb 2024 54 4 0 0 WN
Jan 2024 59 17 3 0 WN

Cancellation Rate

1.3%

23 of 1,737 flights

Diversion Rate

0.3%

5 of 1,737 flights

What the Data Says About MKE to BWI

Milwaukee to Baltimore (MKE to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.4% on-time rate across 4,567 flights, with delays that do happen averaging 63.1 minutes. The corridor runs roughly 641 miles and is served by 3 carriers. Over the most recent 24 months, 23 of 1,737 flights were cancelled (1.3%) and 5 diverted (0.3%).

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 95% on-time, while Jan 2024 came in at just 71% - a 23-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from MKE to BWI?
Flights from Milwaukee to Baltimore have a 86.4% on-time rate based on 4,567 flights. The average delay is 63.1 minutes. The best recent month was Mar 2025 with 95% on-time.
What is the cancellation rate for MKE to BWI?
Over the last 24 months, 1.3% of flights on this route were cancelled (23 of 1,737 flights) and 0.3% were diverted.
How far is the flight from MKE to BWI?
The flight distance from Milwaukee (MKE) to Baltimore (BWI) is approximately 641 miles. This route is served by 3 carriers.
When is the best time to fly from MKE to BWI?
The best recent month for on-time performance was Mar 2025 (95% on-time). The worst was Jan 2024 (71% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.