Charleston (CHS) to Washington (DCA): On-Time Performance
Data through May 2026
Delays are only half the story on CHS–DCA: 5.1% 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, 75% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 81% of the time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 5.1%
- Flights/day
- 4.8
- last 12 months
- Duration
- 1h 38m
- scheduled
- Distance
- 444 mi
Best airline from CHS to DCA
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 81% | 14 min | 3.9% | 940 |
| American Airlines | 75% | 25 min | 1.8% | 868 |
| PSA Airlines | 71% | 28 min | 7.2% | 1,819 |
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 (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 20 min |
| Tuesday | 75% | 25 min |
| Wednesday | 73% | 26 min |
| Thursday | 70% | 28 min |
| Friday | 68% | 27 min |
| Saturdaybest | 84% | 18 min |
| Sunday | 77% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations25%
- National airspace system24%
- Weather1%
Frequently asked questions
- How often are flights from CHS to DCA delayed?
- 25% of CHS–DCA 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 24 minutes.
- Which airline is most reliable from CHS to DCA?
- Republic Airways has the best on-time record on this route at 81%, based on 940 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 (57%). 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 38m over 444 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are CHS to DCA flights cancelled?
- 5.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — 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 3,652 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.