Historical on-time performance
Boston to Washington
Flights on BOS–DCA arrive on time 70% of the time over the last 12 months.
based on 8,895 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.
- American AirlinesOn-time73%Medianon timep9060 minCancel3.3%Flights2,238
- Republic AirwaysOn-time71%Medianon timep9055 minCancel4.4%Flights4,012
- JetBlue AirwaysOn-time66%Medianon timep9070 minCancel3.5%Flights2,645
Why flights run late
Delay causes
- Airline24%
- Weather3%
- Air traffic (NAS)32%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline16%
- Weather47%
- Air traffic (NAS)38%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 344 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 BOS → 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 — 86% on time.
- Mornings86% on time · p90 15 min · 9,124 flights
- Middays81% on time · p90 35 min · 6,363 flights
- Afternoons69% on time · p90 65 min · 5,187 flights
- Overnights62% on time · p90 85 min · 2,058 flights
- Evenings61% on time · p90 85 min · 5,099 flights
Best day of week
Saturdays are the most reliable day to fly this route — 83% on time.
- Saturdays83% on time · p90 35 min · 2,440 flights
- Tuesdays79% on time · p90 40 min · 4,229 flights
- Wednesdays78% on time · p90 40 min · 4,227 flights
- Thursdays74% on time · p90 55 min · 4,295 flights
- Mondays74% on time · p90 55 min · 4,337 flights
- Sundays72% on time · p90 60 min · 4,020 flights
- Fridays71% on time · p90 65 min · 4,283 flights
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