CHS to AUS flight delays & on-time performance
Nonstop flights from Charleston International Airport to Austin Bergstrom International Airport · 1,055 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CHS or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charleston (CHS) to Austin (AUS) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 10% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (95% on time); around 1pm did worst (54%).
- Saturday was the most reliable day to fly (90% on time) and Thursday the least (55%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from CHS to AUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 71% | 0.0% | 15 min | 9.5% | 126 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am95%22 flights
- 1pm54%26 flights
- 2pm83%12 flights
- 3pm68%22 flights
- 4pm73%11 flights
- 5pm58%12 flights
- 6pm73%15 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday64%0.0% cancelled
- Tuesday100%0.0% cancelled
- Wednesday88%0.0% cancelled
- Thursday55%0.0% cancelled
- Friday70%0.0% cancelled
- Saturday90%0.0% cancelled
- Sunday64%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
CHS to AUS: common questions
- How often are CHS to AUS flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Charleston to Austin cancelled?
- 0.0% of scheduled flights were cancelled (0 of 126).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 9.5% of flights were an hour or more late.
- How long is taxi time at CHS?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to CHS — 70% on time
More flights from Charleston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CHS → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.