Historical on-time performance
Austin to Charleston
1,055 miData through Dec 2025Source: 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.
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 (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 81% on time.
- Middays81% on time · p90 25 min · 110 flights · limited
- Afternoons73% on time · p90 35 min · 255 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.
- Thursdays78% on time · p90 20 min · 67 flights · limited
- Mondays77% on time · p90 35 min · 66 flights · limited
- Tuesdays75% on time · p90 30 min · 51 flights · limited
- Sundays73% on time · p90 25 min · 67 flights · limited
- Fridays72% on time · p90 35 min · 67 flights · limited
- Wednesdays71% on time · p90 40 min · 51 flights · limited
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