Historical on-time performance
Washington to Hilton Head Island
Flights on DCA–HHH arrive on time 85% of the time over the last 12 months.
based on 158 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Envoy AirOn-time92%Medianon timep9010 minCancel0.0%Flights62
- Republic AirwaysOn-time81%Medianon timep9045 minCancel1.0%Flights96
Why flights run late
Delay causes
- Airline32%
- Weather0%
- Air traffic (NAS)20%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 DCA → HHH
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 · 649 flights
- Middays75% on time · p90 40 min · 123 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 89% on time.
- Tuesdays89% on time · p90 5 min · 105 flights · limited
- Sundays86% on time · p90 15 min · 111 flights · limited
- Mondays85% on time · p90 15 min · 109 flights · limited
- Fridays85% on time · p90 15 min · 111 flights · limited
- Wednesdays83% on time · p90 20 min · 104 flights · limited
- Thursdays82% on time · p90 25 min · 111 flights · limited
- Saturdays81% on time · p90 25 min · 158 flights · limited
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