Historical on-time performance
Detroit to Washington
Flights on DTW–DCA arrive on time 65% of the time over the last 12 months.
based on 2,937 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.
- Delta Air LinesOn-time67%Medianon timep9060 minCancel2.2%Flights1,744
- PSA AirlinesOn-time65%Medianon timep9085 minCancel6.6%Flights955
- Republic AirwaysOn-time59%Medianon timep9075 minCancel5.5%Flights238
Why flights run late
Delay causes
- Airline31%
- Weather5%
- Air traffic (NAS)36%
- Late aircraft28%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline23%
- Weather68%
- Air traffic (NAS)9%
- Security1%
Most cancellations here are attributed to Weather. Shares are among 114 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 DTW → DCA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 84% on time.
- Middays84% on time · p90 25 min · 1,534 flights
- Mornings80% on time · p90 30 min · 2,688 flights
- Overnights75% on time · p90 45 min · 1,109 flights
- Evenings60% on time · p90 90 min · 1,784 flights
- Afternoons60% on time · p90 75 min · 1,295 flights
Best day of week
Saturdays are the most reliable day to fly this route — 81% on time.
- Saturdays81% on time · p90 40 min · 947 flights
- Tuesdays76% on time · p90 40 min · 1,246 flights
- Wednesdays74% on time · p90 55 min · 1,265 flights
- Thursdays71% on time · p90 60 min · 1,259 flights
- Sundays70% on time · p90 55 min · 1,154 flights
- Mondays70% on time · p90 55 min · 1,271 flights
- Fridays69% on time · p90 60 min · 1,268 flights
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