Historical on-time performance
Milwaukee to Washington
634 miData through Dec 2025Source: US DOT · BTS
Flights on MKE–DCA 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)
Cancelled3.7%of scheduled flights
based on 1,330 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time77%Medianon timep9040 minCancel1.2%Flights682
- PSA AirlinesOn-time69%Medianon timep9080 minCancel6.3%Flights648
Why flights run late
Delay causes
- Airline46%
- Weather2%
- Air traffic (NAS)19%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MKE → DCA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 15 min · 1,730 flights
- Middays72% on time · p90 65 min · 792 flights
- Evenings70% on time · p90 40 min · 77 flights · limited
- Afternoons69% on time · p90 55 min · 927 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Saturdays83% on time · p90 25 min · 320 flights
- Tuesdays79% on time · p90 35 min · 542 flights
- Fridays78% on time · p90 40 min · 536 flights
- Wednesdays78% on time · p90 40 min · 541 flights
- Sundays76% on time · p90 40 min · 519 flights
- Mondays76% on time · p90 45 min · 540 flights
- Thursdays76% on time · p90 50 min · 528 flights
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