Historical on-time performance
Dayton to Washington
391 miData through May 2026Source: US DOT · BTS
Flights on DAY–DCA arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled4.8%of scheduled flights
based on 983 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time68%Medianon timep9085 minCancel4.8%Flights983
Why flights run late
Delay causes
- Airline23%
- Weather11%
- Air traffic (NAS)19%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline2%
- Weather77%
- Air traffic (NAS)19%
- Security2%
Most cancellations here are attributed to Weather. Shares are among 47 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 DAY → 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 20 min · 1,622 flights
- Middays80% on time · p90 35 min · 310 flights
- Afternoons71% on time · p90 90 min · 572 flights
- Evenings54% on time · p90 105 min · 891 flights
Best day of week
Saturdays are the most reliable day to fly this route — 85% on time.
- Saturdays85% on time · p90 20 min · 286 flights
- Tuesdays75% on time · p90 55 min · 538 flights
- Mondays74% on time · p90 70 min · 541 flights
- Wednesdays74% on time · p90 80 min · 539 flights
- Sundays72% on time · p90 85 min · 436 flights
- Thursdays71% on time · p90 65 min · 525 flights
- Fridays71% on time · p90 80 min · 530 flights
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