Historical on-time performance
Washington to Kansas City
950 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–MCI arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled3.4%of scheduled flights
based on 1,598 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time79%Medianon timep9025 minCancel0.0%Flights122
- Southwest AirlinesOn-time72%Medianon timep9055 minCancel1.8%Flights999
- PSA AirlinesOn-time58%Medianon timep90105 minCancel7.8%Flights477
Why flights run late
Delay causes
- Airline25%
- Weather2%
- Air traffic (NAS)17%
- Late aircraft56%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DCA → MCI
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 — 89% on time.
- Mornings89% on time · p90 10 min · 1,535 flights
- Middays79% on time · p90 30 min · 1,590 flights
- Evenings69% on time · p90 50 min · 159 flights · limited
- Afternoons67% on time · p90 60 min · 1,530 flights
- Overnights66% on time · p90 75 min · 831 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 83% on time.
- Saturdays83% on time · p90 20 min · 440 flights
- Tuesdays79% on time · p90 30 min · 889 flights
- Wednesdays77% on time · p90 40 min · 886 flights
- Sundays76% on time · p90 40 min · 806 flights
- Mondays75% on time · p90 45 min · 887 flights
- Thursdays75% on time · p90 40 min · 867 flights
- Fridays73% on time · p90 60 min · 870 flights
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