Route
MKE → BWI
General Mitchell International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 84.7%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 827
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Air traffic control & airport 25%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.6% | 77 |
| October 2025 | 89.7% | 87 |
| November 2025 | 79.2% | 73 |
| December 2025 | 83.6% | 75 |
| January 2026 | 87.8% | 44 |
| February 2026 | 85.4% | 43 |
| March 2026 | 85.5% | 56 |
| April 2026 | 94.9% | 59 |
| May 2026 | 87.1% | 62 |
| June 2026 | 75.6% | 83 |
| July 2026 | 85.9% | 88 |
| August 2026 | 75.7% | 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 | 827 | 84.7% | 1.6% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2806
7% late · 58 flights
-
WN3436
4% late · 50 flights
-
WN3437
8% late · 49 flights
-
WN2826
11% late · 46 flights
-
WN2936
3% late · 36 flights
-
WN4281
56% late · 36 flights
-
WN2937
17% late · 35 flights
-
WN1884
3% late · 31 flights
-
WN2653
21% late · 28 flights
-
WN4864
30% late · 28 flights
-
WN887
18% late · 28 flights
-
WN1780
4% late · 27 flights
-
WN1979
12% late · 24 flights
-
WN2202
5% late · 23 flights
-
WN5782
24% late · 21 flights
-
WN682
20% late · 20 flights
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