Historical on-time performance
New York to Washington
214 miData through May 2026Source: US DOT · BTS
Flights on LGA–DCA arrive on time 64% of the time over the last 12 months.
On-time rate64%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled5.7%of scheduled flights
based on 4,767 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time64%Medianon timep9065 minCancel5.7%Flights4,767
Why flights run late
Delay causes
- Airline18%
- Weather4%
- Air traffic (NAS)41%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline15%
- Weather37%
- Air traffic (NAS)48%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 272 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 LGA → 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 · 4,525 flights
- Middays81% on time · p90 35 min · 2,944 flights
- Afternoons66% on time · p90 65 min · 2,063 flights
- Overnights64% on time · p90 75 min · 1,334 flights
- Evenings62% on time · p90 70 min · 2,965 flights
Best day of week
Saturdays are the most reliable day to fly this route — 88% on time.
- Saturdays88% on time · p90 15 min · 1,201 flights
- Tuesdays75% on time · p90 50 min · 2,161 flights
- Wednesdays75% on time · p90 50 min · 2,159 flights
- Thursdays74% on time · p90 50 min · 2,147 flights
- Mondays73% on time · p90 50 min · 2,161 flights
- Fridays70% on time · p90 60 min · 2,168 flights
- Sundays70% on time · p90 55 min · 1,834 flights
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