Historical on-time performance
Charleston to Austin
1,055 miData through Dec 2025Source: US DOT · BTS
Flights on CHS–AUS arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9050 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline34%
- Weather3%
- Air traffic (NAS)6%
- Late aircraft57%
- 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 CHS → AUS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 82% on time.
- Middays82% on time · p90 20 min · 225 flights
- Afternoons58% on time · p90 40 min · 83 flights · limited
- Evenings56% on time · p90 75 min · 88 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 61% to 76% on time.
- Tuesdays76% on time · p90 25 min · 51 flights · limited
- Mondays74% on time · p90 30 min · 66 flights · limited
- Fridays72% on time · p90 35 min · 67 flights · limited
- Thursdays72% on time · p90 40 min · 67 flights · limited
- Sundays69% on time · p90 70 min · 67 flights · limited
- Wednesdays61% on time · p90 40 min · 51 flights · limited
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