MKE → BWI Southwest Airlines

Southwest Airlines · Milwaukee, WI to Baltimore, MD · 826 flights, 2025-07-01 to 2026-06-30 · aggregated across 56 flight numbers

This route runs much more reliably at some times of day than others — 93% on-time departing 6–9am vs. 54% departing 6–9pm.
On-time arrival
84%
Median delay
-7 min
90th percentile
+27 min
Cancellation rate
2%

How on-time is Southwest Airlines from MKE to BWI?

Across every Southwest Airlines flight number on MKE → BWI (826 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +27 min or later. 2% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time68684%
16-30 min547%
31-60 min314%
61-120 min202%
2+ hrs213%

Performance by month

MonthFlightsOn-timeAvg delay
2025-078479%+13 min
2025-087982%+6 min
2025-097790%+2 min
2025-108790%-1 min
2025-117279%+7 min
2025-127384%+3 min
2026-014188%-8 min
2026-024185%-2 min
2026-035585%+8 min
2026-045995%-4 min
2026-056287%-5 min
2026-068276%+11 min

Performance by day of week

DayFlightsOn-time
Mon12783%
Tue11490%
Wed10687%
Thu12287%
Fri12884%
Sat9685%
Sun11976%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…