Historical on-time performance
Kansas City to Washington
950 miData through May 2026Source: US DOT · BTS
Flights on MCI–DCA arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled3.1%of scheduled flights
based on 1,645 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time75%Medianon timep9030 minCancel0.0%Flights122
- Southwest AirlinesbestOn-time72%Medianon timep9050 minCancel1.3%Flights999
- PSA AirlinesOn-time63%Medianon timep9075 minCancel7.3%Flights524
Why flights run late
Delay causes
- Airline21%
- Weather11%
- Air traffic (NAS)22%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline12%
- Weather73%
- Air traffic (NAS)14%
- Security2%
Most cancellations here are attributed to Weather. Shares are among 51 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 MCI → DCA
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 — 85% on time.
- Mornings85% on time · p90 15 min · 2,071 flights
- Middays77% on time · p90 35 min · 1,699 flights
- Afternoons64% on time · p90 70 min · 406 flights
- Evenings62% on time · p90 75 min · 1,452 flights
Best day of week
Saturdays are the most reliable day to fly this route — 83% on time.
- Saturdays83% on time · p90 25 min · 424 flights
- Thursdays77% on time · p90 45 min · 871 flights
- Tuesdays76% on time · p90 35 min · 881 flights
- Wednesdays76% on time · p90 40 min · 881 flights
- Sundays73% on time · p90 35 min · 825 flights
- Fridays73% on time · p90 50 min · 874 flights
- Mondays72% on time · p90 50 min · 880 flights
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