Charleston (CHS) to Washington (DCA): On-Time Performance
Data through July 2026
Delays are only half the story on CHS–DCA: 5.3% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 74% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 79% of the time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 26 min
- completed flights
- Cancelled
- 5.3%
- Flights/day
- 4.8
- last 12 months
- Duration
- 1h 39m
- scheduled
- Distance
- 444 mi
Best airline from CHS to DCA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 79% | 17 min | 4.4% | 918 |
| American Airlines | 75% | 22 min | 2.4% | 919 |
| PSA Airlines | 70% | 34 min | 7.2% | 1,933 |
Monthly on-time trend
Best time to fly from CHS to DCA
Aim for departures around 5 a.m. (91% on-time); avoid 7 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 26 min |
| Tuesday | 75% | 28 min |
| Wednesday | 73% | 28 min |
| Thursday | 69% | 30 min |
| Friday | 68% | 32 min |
| Saturdaybest | 83% | 19 min |
| Sunday | 76% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations22%
- National airspace system28%
- Weather2%
Frequently asked questions
- How often are flights from CHS to DCA delayed?
- 26% of CHS–DCA 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 26 minutes.
- Which airline is most reliable from CHS to DCA?
- Republic Airways has the best on-time record on this route at 79%, based on 918 flights. 3 airlines flew CHS–DCA frequently enough to compare in this period.
- What is the best time of day to fly from CHS to DCA?
- Departures around 5 a.m. have the best record (91% on-time), while departures around 7 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHS to DCA?
- The scheduled CHS–DCA flight time averages 1h 39m over 444 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are CHS to DCA flights cancelled?
- 5.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from CHS to DCA?
- July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 3,795 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.