Historical on-time performance
Washington to Dayton
391 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–DAY arrive on time 62% of the time over the last 12 months.
On-time rate62%arrived within 15 min
p90 delay100 min1 in 10 flights is worse (tail risk)
Cancelled4.9%of scheduled flights
based on 1,113 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time62%Medianon timep90100 minCancel4.9%Flights1,113
Why flights run late
Delay causes
- Airline25%
- Weather8%
- Air traffic (NAS)10%
- Late aircraft58%
- 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 → DAY
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 — 87% on time.
- Mornings87% on time · p90 20 min · 779 flights
- Middays82% on time · p90 40 min · 729 flights
- Afternoons75% on time · p90 60 min · 161 flights · limited
- Evenings68% on time · p90 85 min · 1,089 flights
- Overnights63% on time · p90 85 min · 711 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 80% on time.
- Tuesdays80% on time · p90 45 min · 565 flights
- Saturdays79% on time · p90 60 min · 278 flights
- Mondays76% on time · p90 65 min · 564 flights
- Wednesdays75% on time · p90 65 min · 557 flights
- Fridays73% on time · p90 65 min · 544 flights
- Sundays72% on time · p90 95 min · 426 flights
- Thursdays70% on time · p90 60 min · 535 flights
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