Historical on-time performance
Charleston to Washington
Flights on CHS–DCA arrive on time 67% of the time over the last 12 months.
based on 1,594 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 minCancel2.9%Flights381
- Republic AirwaysOn-time73%Medianon timep9050 minCancel4.6%Flights373
- PSA AirlinesOn-time62%Medianon timep9085 minCancel7.1%Flights840
Why flights run late
Delay causes
- Airline21%
- Weather1%
- Air traffic (NAS)25%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline15%
- Weather67%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 88 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 CHS → 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 — 88% on time.
- Mornings88% on time · p90 10 min · 1,085 flights
- Middays80% on time · p90 30 min · 1,294 flights
- Afternoons68% on time · p90 65 min · 1,091 flights
- Evenings63% on time · p90 80 min · 1,835 flights
Best day of week
Saturdays are the most reliable day to fly this route — 81% on time.
- Saturdays81% on time · p90 35 min · 623 flights
- Sundays75% on time · p90 55 min · 790 flights
- Mondays73% on time · p90 60 min · 793 flights
- Tuesdays73% on time · p90 55 min · 794 flights
- Wednesdays71% on time · p90 55 min · 789 flights
- Thursdays71% on time · p90 60 min · 784 flights
- Fridays68% on time · p90 65 min · 792 flights
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