Charleston (CHS) to Dallas (DAL): On-Time Performance
Data through July 2026
Charleston (CHS) to Dallas (DAL) effectively runs on two schedules. In December 2025, 97% of arrivals were on time; in June 2026 that fell to 43% — a 54-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 69%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 15 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 (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 15 min |
| Tuesday | 80% | 11 min |
| Wednesdaybest | 82% | 13 min |
| Thursday | 77% | 11 min |
| Friday | 75% | 16 min |
| Saturday | 76% | 21 min |
| Sunday | 71% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft59%
- Airline operations16%
- National airspace system20%
- Weather5%
Frequently asked questions
- How often are flights from CHS to DAL delayed?
- 23% of CHS–DAL 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 15 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 (60%). 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 23% of the time.
- How often are CHS to DAL flights cancelled?
- 0.8% 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 CHS to DAL?
- June 2026 was the roughest month in this dataset, with only 43% of arrivals on time. The best was December 2025 at 97%. If your dates are flexible, that 54-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.