Historical on-time performance
Washington to Austin
1,315 miData through May 2026Source: US DOT · BTS
Flights on DCA–AUS arrive on time 55% of the time over the last 12 months.
On-time rate55%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time55%Median10 minp9085 minCancel0.6%Flights337
Why flights run late
Delay causes
- Airline30%
- Weather3%
- Air traffic (NAS)20%
- Late aircraft47%
- 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 2 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 → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Afternoons are the most reliable time of day to fly this route — 69% on time.
- Afternoons69% on time · p90 70 min · 166 flights · limited
- Evenings55% on time · p90 70 min · 927 flights
Best day of week
Saturdays are the most reliable day to fly this route — 73% on time.
- Saturdays73% on time · p90 45 min · 157 flights · limited
- Mondays61% on time · p90 60 min · 156 flights · limited
- Tuesdays59% on time · p90 65 min · 156 flights · limited
- Fridays57% on time · p90 85 min · 157 flights · limited
- Sundays54% on time · p90 80 min · 157 flights · limited
- Wednesdays51% on time · p90 75 min · 156 flights · limited
- Thursdays49% on time · p90 75 min · 157 flights · limited
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