Route
BWI → MKE
Baltimore/Washington International Thurgood Marshall Airport General Mitchell International Airport
How punctual is this route?
- On-time arrivals
- 74.1%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 831
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 12%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.3% | 78 |
| October 2025 | 79.8% | 89 |
| November 2025 | 78.1% | 74 |
| December 2025 | 63.0% | 75 |
| January 2026 | 87.5% | 44 |
| February 2026 | 87.8% | 43 |
| March 2026 | 75.9% | 56 |
| April 2026 | 76.3% | 59 |
| May 2026 | 67.7% | 62 |
| June 2026 | 65.4% | 83 |
| July 2026 | 65.5% | 88 |
| August 2026 | 62.8% | 80 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 831 | 74.1% | 2.2% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1015
44% late · 60 flights
-
WN1781
29% late · 59 flights
-
WN1965
36% late · 58 flights
-
WN986
9% late · 47 flights
-
WN1011
12% late · 43 flights
-
WN1014
51% late · 43 flights
-
WN656
24% late · 42 flights
-
WN2529
22% late · 32 flights
-
WN163
13% late · 30 flights
-
WN313
20% late · 30 flights
-
WN1642
38% late · 28 flights
-
WN2147
11% late · 28 flights
-
WN410
21% late · 28 flights
-
WN1827
0% late · 27 flights
-
WN1838
4% late · 27 flights
-
WN4322
20% late · 22 flights
-
WN853
18% late · 22 flights
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