Historical on-time performance
Washington to Huntsville
613 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–HSV arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled5.8%of scheduled flights
based on 1,265 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-time83%Medianon timep9015 minCancel1.9%Flights53
- PSA AirlinesOn-time63%Medianon timep9085 minCancel6.1%Flights1,039
- Envoy AirOn-time72%Medianon timep9030 minCancel5.8%Flights173
Why flights run late
Delay causes
- Airline24%
- Weather5%
- Air traffic (NAS)15%
- Late aircraft55%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DCA → HSV
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 55% to 82% on time.
- Mornings82% on time · p90 25 min · 1,039 flights
- Middays81% on time · p90 35 min · 1,100 flights
- Afternoons74% on time · p90 60 min · 793 flights
- Overnights70% on time · p90 55 min · 734 flights
- Evenings55% on time · p90 100 min · 404 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 78% on time.
- Saturdays78% on time · p90 50 min · 315 flights
- Wednesdays77% on time · p90 50 min · 643 flights
- Mondays76% on time · p90 50 min · 653 flights
- Tuesdays76% on time · p90 50 min · 649 flights
- Thursdays76% on time · p90 45 min · 627 flights
- Sundays73% on time · p90 55 min · 548 flights
- Fridays73% on time · p90 55 min · 635 flights
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