Historical on-time performance
Atlanta to Washington
Flights on ATL–DCA arrive on time 67% of the time over the last 12 months.
based on 6,431 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.
- Republic AirwaysOn-time73%Medianon timep9035 minCancel2.8%Flights430
- Southwest AirlinesOn-time72%Medianon timep9065 minCancel1.7%Flights1,169
- PSA AirlinesOn-time69%Medianon timep9080 minCancel7.6%Flights1,002
- Delta Air LinesOn-time64%Medianon timep9060 minCancel2.6%Flights3,830
Why flights run late
Delay causes
- Airline31%
- Weather5%
- Air traffic (NAS)36%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline23%
- Weather60%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 209 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 ATL → 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 · 4,901 flights
- Middays80% on time · p90 30 min · 4,514 flights
- Afternoons68% on time · p90 60 min · 3,832 flights
- Overnights63% on time · p90 65 min · 3,301 flights
- Evenings61% on time · p90 70 min · 4,069 flights
Best day of week
Saturdays are the most reliable day to fly this route — 79% on time.
- Saturdays79% on time · p90 35 min · 2,380 flights
- Tuesdays75% on time · p90 40 min · 2,963 flights
- Wednesdays74% on time · p90 45 min · 3,085 flights
- Thursdays72% on time · p90 55 min · 3,084 flights
- Mondays71% on time · p90 45 min · 3,090 flights
- Sundays69% on time · p90 55 min · 2,930 flights
- Fridays68% on time · p90 55 min · 3,085 flights
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