Historical on-time performance
Washington to Austin
1,315 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–AUS arrive on time 48% of the time over the last 12 months.
On-time rate48%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled0.9%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-time48%Median15 minp9095 minCancel0.9%Flights337
Why flights run late
Delay causes
- Airline28%
- Weather2%
- Air traffic (NAS)21%
- Late aircraft50%
- 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 → AUS
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 58% to 66% on time.
- Afternoons66% on time · p90 70 min · 127 flights · limited
- Evenings58% on time · p90 70 min · 966 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 46% to 72% on time.
- Saturdays72% on time · p90 45 min · 156 flights · limited
- Mondays65% on time · p90 50 min · 157 flights · limited
- Tuesdays59% on time · p90 65 min · 157 flights · limited
- Fridays57% on time · p90 75 min · 156 flights · limited
- Sundays57% on time · p90 70 min · 157 flights · limited
- Wednesdays55% on time · p90 75 min · 157 flights · limited
- Thursdays46% on time · p90 80 min · 156 flights · limited
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