Historical on-time performance
Austin to Charleston
1,055 miData through May 2026Source: US DOT · BTS
Flights on AUS–CHS arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay25 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 timep9025 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline29%
- Weather0%
- Air traffic (NAS)15%
- Late aircraft56%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 AUS → CHS
All airlines · rolling 36 months (2023-06 .. 2026-05).
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 · 141 flights · limited
- Afternoons68% on time · p90 40 min · 216 flights
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