Route Reliability
Baltimore → Milwaukee
BWI–MKE · 641 miles · Baltimore/Washington International Thurgood Marshall Airport to Milwaukee Mitchell International Airport
- 78%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.5%
- Cancelled
- 840
- Flights in the data
Data through May 2026.
Airlines on this route
- Southwest Airlines77% on time · 829 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.
BWI–MKE flights departing between 6–9 AM arrived on time 95% of the time, versus 61% between 9 PM–12 AM.
Sunday scaries are real for this one.
BWI–MKE flights arrived on time 83% of the time on Tuesdays and just 66% on Sundays. That gap is worth planning around.
Slipping a little lately.
BWI–MKE flights arrived on time 74% of the time over the last three months in the data, compared with 80% in the three months before that.
Flights on this route
The breakdown
- Mon82%(133 flights)
- Tue83%(112 flights)
- Wed78%(110 flights)
- Thu75%(124 flights)
- Fri80%(131 flights)
- Sat80%(94 flights)
- Sun66%(122 flights)
- 6–9 AM95%(202 flights)
- 9 AM–12 PM85%(148 flights)
- 12–3 PM79%(75 flights)
- 3–6 PM73%(86 flights)
- 6–9 PM72%(87 flights)
- 9 PM–12 AM61%(228 flights)
Jun 73% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 90 |
| July 2025 | 68% | 90 |
| August 2025 | 84% | 77 |
| September 2025 | 94% | 78 |
| October 2025 | 80% | 89 |
| November 2025 | 78% | 73 |
| December 2025 | 66% | 73 |
| January 2026 | 88% | 40 |
| February 2026 | 88% | 41 |
| March 2026 | 76% | 54 |
| April 2026 | 76% | 59 |
| May 2026 | 71% | 62 |
Same trip, other airports
Keep nerding
Based on 840 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.