Charleston (CHS) to Dallas (DAL): On-Time Performance
Data through May 2026
Charleston (CHS) to Dallas (DAL) effectively runs on two schedules. In December 2025, 97% of arrivals were on time; in July 2024 that fell to 55% — a 42-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 70%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 1.0
- last 12 months
- Duration
- 2h 46m
- scheduled
- Distance
- 977 mi
Monthly on-time trend
Best time to fly from CHS to DAL
Aim for departures around 9 a.m. (95% on-time); avoid 3 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 13 min |
| Tuesday | 83% | 10 min |
| Wednesdaybest | 85% | 11 min |
| Thursday | 79% | 13 min |
| Friday | 79% | 11 min |
| Saturday | 73% | 22 min |
| Sunday | 76% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft56%
- Airline operations20%
- National airspace system22%
- Weather1%
Frequently asked questions
- How often are flights from CHS to DAL delayed?
- 21% of CHS–DAL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from CHS to DAL?
- Departures around 9 a.m. have the best record (95% on-time), while departures around 3 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHS to DAL?
- The scheduled CHS–DAL flight time averages 2h 46m over 977 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are CHS to DAL flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from CHS to DAL?
- July 2024 was the roughest month in this dataset, with only 55% of arrivals on time. The best was December 2025 at 97%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 729 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.