Historical on-time performance
Washington to Kansas City
949 miData through May 2026Source: US DOT · BTS
Flights on DCA–MCI arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled3.0%of scheduled flights
based on 1,646 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time79%Medianon timep9025 minCancel0.0%Flights122
- Southwest AirlinesbestOn-time72%Medianon timep9055 minCancel1.6%Flights999
- PSA AirlinesOn-time62%Medianon timep9085 minCancel6.5%Flights525
Why flights run late
Delay causes
- Airline24%
- Weather3%
- Air traffic (NAS)14%
- Late aircraft58%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather76%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 50 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 → MCI
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,659 flights
- Middays76% on time · p90 35 min · 1,414 flights
- Afternoons66% on time · p90 60 min · 1,468 flights
- Evenings64% on time · p90 75 min · 197 flights · limited
- Overnights63% on time · p90 85 min · 901 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 81% on time.
- Saturdays81% on time · p90 25 min · 423 flights
- Tuesdays77% on time · p90 40 min · 883 flights
- Wednesdays76% on time · p90 45 min · 880 flights
- Thursdays74% on time · p90 45 min · 872 flights
- Sundays73% on time · p90 45 min · 825 flights
- Mondays72% on time · p90 55 min · 881 flights
- Fridays71% on time · p90 65 min · 875 flights
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