Historical on-time performance
Washington to Milwaukee
634 miData through May 2026Source: US DOT · BTS
Flights on DCA–MKE arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled4.8%of scheduled flights
based on 1,342 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time81%Medianon timep9030 minCancel1.8%Flights683
- PSA AirlinesOn-time65%Medianon timep9070 minCancel8.0%Flights659
Why flights run late
Delay causes
- Airline30%
- Weather7%
- Air traffic (NAS)13%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather75%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 65 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DCA → MKE
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 5 min · 659 flights
- Middays82% on time · p90 30 min · 1,253 flights
- Afternoons72% on time · p90 45 min · 970 flights
- Evenings63% on time · p90 75 min · 356 flights
- Overnights61% on time · p90 70 min · 577 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Saturdays80% on time · p90 40 min · 350 flights
- Tuesdays78% on time · p90 30 min · 581 flights
- Wednesdays77% on time · p90 55 min · 582 flights
- Mondays76% on time · p90 40 min · 578 flights
- Thursdays76% on time · p90 55 min · 573 flights
- Fridays76% on time · p90 40 min · 576 flights
- Sundays73% on time · p90 40 min · 575 flights
Keep exploring