Dallas (DAL) to Charleston (CHS): On-Time Performance
Data through July 2026
Dallas (DAL) to Charleston (CHS) effectively runs on two schedules. In July 2024, 90% of arrivals were on time; in March 2026 that fell to 52% — a 39-point seasonal swing. Across the full period the route averages 71% on-time against a national 78%.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 1.0
- last 12 months
- Duration
- 2h 22m
- scheduled
- Distance
- 977 mi
Monthly on-time trend
Best time to fly from DAL to CHS
Aim for departures around 10 a.m. (80% on-time); avoid 4 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 16 min |
| Tuesday | 73% | 19 min |
| Wednesday | 75% | 13 min |
| Thursday | 61% | 18 min |
| Friday | 69% | 19 min |
| Saturdaybest | 78% | 13 min |
| Sunday | 67% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations35%
- National airspace system23%
- Weather3%
Frequently asked questions
- How often are flights from DAL to CHS delayed?
- 29% of DAL–CHS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- What is the best time of day to fly from DAL to CHS?
- Departures around 10 a.m. have the best record (80% on-time), while departures around 4 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAL to CHS?
- The scheduled DAL–CHS flight time averages 2h 22m over 977 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are DAL to CHS flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DAL to CHS?
- March 2026 was the roughest month in this dataset, with only 52% of arrivals on time. The best was July 2024 at 90%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 760 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.